| 单词 | germinal |
| 例句 | He became rather technical; spoke of the abnormal endocrine co-ordination which made men grow so slowly; postulated a germinal mutation to account for it. Brave New World 1932-01-01T00:00:00Z Could the effects of this germinal mutation be undone? Brave New World 1932-01-01T00:00:00Z Besides Ms. Chase’s remarkably silky performance of the evening’s germinal Varèse classic, still elegant and fresh, best was George E. Lewis’s “Emergent.” Claire Chase Performs Part II of ‘Density 2036’ 2014-10-03T04:00:00Z There is something germinally pre-digital about the book itself, beyond the narrative and setting. Brian Selznick: how Scorsese's Hugo drew inspiration from his magical book 2012-02-11T19:26:44Z Sure, there may be no Louis Vuitton or Balenciaga, but the ideas that are animating the makeovers of those brands are happening on a more germinal level. Barneys Is Gone. Where Should You Shop Next? 2019-12-04T05:00:00Z Mute has engaged a veritable bank of issues ahead of other far better resourced producers, publishing germinal texts on education, the knowledge economy, regeneration, intellectual property, web 2.0, immaterial labour, music, film and urbanism. Letters: No go leads to no show when it comes to the arts 2011-04-10T23:05:05Z But her germinal idea that the female body should be privileged above all else was neglected in favor of distracting ornamentation: big oval belts, screaming “statement” necklaces, furry capelets, round strapped-on bags. Collections from Vionnet, Carven and Aganovich 2014-09-25T04:00:00Z Cross Colours was germinal: a black-owned brand from California, designed with hip-hop style in mind. Review: ‘Fresh Dressed’ Follows Hip-Hop From the Streets to the Runway 2015-06-25T04:00:00Z He would soon add the germinal ideas of “The Stranger” to that mix. Review: ‘Looking for “The Stranger,”’ the Making of an Existential Masterpiece 2016-09-15T04:00:00Z He was in the house band for the germinal pop TV series “Shindig!” Glen Campbell: The First Good Ol' Boy of American Pop 2015-02-19T05:00:00Z It was in the germinal “Wall Hangings” exhibition at the Museum of Modern Art in 1969 and still hugs the wall. Review: Françoise Grossen, a Fabric Artist Inspired by Other Fields 2015-08-06T04:00:00Z But those films proved germinal for a generation of filmmakers whose cinematic ideals were shaped during that era, and who then took its most outré sensibilities to Hollywood, where they softened their most transgressive edges. Perspective | Sex is disappearing from the big screen, and it’s making movies less pleasurable 2019-06-06T04:00:00Z In the germinal stages of a musical movement, it's hard to know whether a particular sound will live for a month, a year or a decade. Low End Theory Fest roster to feature Fly Lo, Earl Sweatshirt, Thundercat, more 2015-06-01T04:00:00Z During an infection, our lymph nodes and spleen sprout cellular cradles called germinal centers that allow B cells to hone their antibodies to be more effective against an attacking pathogen. Why don’t fish have tonsils? They have a good alternative, study suggests 2023-10-31T04:00:00Z The edge of the germinal matrix is seen as a white, crescent shaped structure called the lunula. Fundamentals of Biology 2015-01-01T00:00:00Z Secondary production and maturation of lymphocytes occurs in specific regions of lymphatic tissue known as germinal centers. Anatomy and Physiology 2013-06-19T00:00:00Z But first those memory cells get trained in immune system boot camps called germinal centers, learning to do more than just make copies of their original antibodies. How will pandemic end? Omicron clouds forecasts for endgame 2022-01-02T05:00:00Z If the germinal centers don’t form in the first place, B cells will sometimes throw the kitchen sink at the problem instead of selecting the best kind of antibody against a particular invader. What we’ve learned about how our immune system fights COVID-19 2020-12-29T05:00:00Z The study documents germinal center–like structures in the spleens of rainbow trout, the first time anyone has detected them in bony fish. Why don’t fish have tonsils? They have a good alternative, study suggests 2023-10-31T04:00:00Z It extends from the edge of the germinal matrix, or lunula, to the hyponychium. Fundamentals of Biology 2015-01-01T00:00:00Z The micrograph of the lymph nodes shows a germinal center, which consists of rapidly dividing B cells surrounded by a layer of T cells and other accessory cells. Anatomy and Physiology 2013-06-19T00:00:00Z He was an author of a study that found that the virus can destroy germinal centers, places in lymph nodes where antibodies are produced. An Explanation for Some Covid-19 Deaths May Not Be Holding Up 2020-11-08T05:00:00Z For example, Shiv Pillai, an immunologist at Harvard Medical School, studies lymph nodes and their germinal centers, where B cells refine antibodies to a specific pathogen. What we’ve learned about how our immune system fights COVID-19 2020-12-29T05:00:00Z He looked for structures called “germinal centres” in the spleen and lymph nodes. Flurry of coronavirus reinfections leaves scientists puzzled 2020-10-06T04:00:00Z Root The root of the fingernail is also known as the germinal matrix. Fundamentals of Biology 2015-01-01T00:00:00Z The white pulp surrounds a central arteriole and consists of germinal centers of dividing B cells surrounded by T cells and accessory cells, including macrophages and dendritic cells. Anatomy and Physiology 2013-06-19T00:00:00Z This cell might then enter a germinal centre, located in lymphatic organs such as lymph nodes. Both naive and memory B cells respond to flu vaccine 2020-09-15T04:00:00Z “So, now you don't get proper germinal centers, and those who do, it’s kind of wimpy germinal centers. So then at the end of the day, you don't get the best, longest-lived antibody response.” What we’ve learned about how our immune system fights COVID-19 2020-12-29T05:00:00Z When all goes well, these sites gather antibodymaking B cells into newly formed germinal centers, distinctive microstructures where these cells mature and refine their antibody response to the virus. The coronavirus may shut down the immune system’s vital classrooms 2020-08-25T04:00:00Z This one is still germinal at just three games, but there are plenty of reasons to think it will continue. Another poor start from Mariners’ Yusei Kikuchi in 9-3 loss suggests it’s time to rest him again 2019-05-30T04:00:00Z Within the cortex of the lymph node are lymphoid follicles, which consist of germinal centers of rapidly dividing B cells surrounded by a layer of T cells and other accessory cells. Anatomy and Physiology 2013-06-19T00:00:00Z In a germinal centre, a B cell repeatedly proliferates and also mutates the BCR-encoding gene. Both naive and memory B cells respond to flu vaccine 2020-09-15T04:00:00Z Though this is an idea in its germinal phase, it has the great merit of intellectual coherence. Have MPs, finally, come up with a decent Brexit proposal? | Matthew d’Ancona 2019-02-10T05:00:00Z But germinal centers did not form in the thoracic lymph nodes and spleens of the autopsied COVID-19 patients, the researchers reported. The coronavirus may shut down the immune system’s vital classrooms 2020-08-25T04:00:00Z They found streams of all three cell types migrating from an embryonic ‘germinal zone’ to the developing dentate gyrus at 14 weeks of gestation. Questioning human neurogenesis 2018-03-06T05:00:00Z PD-1 regulates germinal center B cell survival and the formation and affinity of long-lived plasma cells. Inflammation-induced IgA+ cells dismantle anti-liver cancer immunity 2017-11-07T05:00:00Z Investigating this is technically challenging because it is more difficult to obtain samples of immune cells from germinal centres in lymph nodes than it is to obtain immune cells from the blood. Both naive and memory B cells respond to flu vaccine 2020-09-15T04:00:00Z A germinal governance issue for many regulated companies is not whether their boards should be spending more time on compliance issues, but rather that they should be spending less time. Giving Boards Balance as Regulatory Demands Grow 2016-05-20T04:00:00Z Yang suggests a better understanding of the lack of germinal centers in deceased patients might also help explain the cytokine storm. The coronavirus may shut down the immune system’s vital classrooms 2020-08-25T04:00:00Z Most gratifying is “Lemonade’s” obvious debt to Julie Dash, of the germinal 1970s African American film movement known as the L.A. How Beyoncé perfected the ‘visual album’ with ‘Lemonade’ 2016-04-26T04:00:00Z The nail plate is loosely attached to the germinal matrix. The Inexorable Forces of Nail Growth 2015-08-24T04:00:00Z In five individuals, the percentage of B cells in the germinal centre in lymph-node samples increased after vaccination, suggesting the formation of a vaccine-induced germinal centre. Both naive and memory B cells respond to flu vaccine 2020-09-15T04:00:00Z One activist recalls reading Betty Friedan’s germinal 1963 book, “The Feminine Mystique,” and realizing that “it wasn’t him, it wasn’t me, it was society.” ‘She’s Beautiful When She’s Angry’ chronicles 1960s feminism 2015-02-11T05:00:00Z It is apparent that distinct classes of memory B cells exist, distinguishable by, among other things, immunoglobulin isotype, location, and passage through the germinal center. [Special Issue Review] Diversity Among Memory B Cells: Origin, Consequences, and Utility 2013-09-12T17:56:44.660Z The hand of the skilled pianist is a normal hand of germinal origin and normal environment plus the effects of special training. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z Most of the actual growth of the nail plate, perhaps 90 percent, occurs on its underside at what is called the germinal matrix. The Inexorable Forces of Nail Growth 2015-08-24T04:00:00Z The authors investigated which types of flu-specific B cell were induced by the vaccine to form a germinal centre and thus potentially become long-lived memory cells. Both naive and memory B cells respond to flu vaccine 2020-09-15T04:00:00Z Every phenomenon in development that is proved the direct result of epigenetic factors can be discounted from the complexity of the germinal mass. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" 2012-04-14T02:00:23.707Z The Church therefore carries within herself, in the inmost recesses of her being, the principle and the germinal power of her whole development. The Catholic World; Volume I, Issues 1-6 A Monthly Eclectic Magazine 2012-04-05T02:00:40.207Z The supposed cause has been merely the precipitating stimulus which has brought to expression a dormant weakness of germinal origin. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z A name suggested by Dr. Beale for the germinal matter supposed to be essential to the functions of all living beings; the material through which every form of life manifests itself; unaltered protoplasm. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z Such regions are those where fissures exist during foetal life, with normal involutions of the outer germinal layer; which involutions may become irregular, and eventually included or shut in, as the fissures become closed. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Acquired Characters.—Every character is the result of two sets of factors, those resident in the germinal material and those imposed from without. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" 2012-04-14T02:00:23.707Z Once having found an entrance, however, it affects the germinal material and thus perpetuates itself. Essays In Pastoral Medicine 2012-03-05T03:00:09.993Z Thus in all of these cases the fundamental germinal tendency is already at hand for the fancier to base his choice on and thus through selection build up the type desired. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z The germinal membrane in an ovum, from which the embryo is developed. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z Remak showed that after differentiation of the cells of the ovum into the several germinal layers, those from one layer could not serve to originate the cells belonging to another layer. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The inheritance of any character means the transmission in the germinal material of matter which, brought under the necessary external conditions, develops into the character of the parent. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 3 "Helmont, Jean" to "Hernosand" 2012-04-14T02:00:23.707Z The next stage in development is the establishment of two primary germinal layers, called together the Gastrula, The outer layer is the Ectoderm or the Epiblast, and the inner layer is the Endoderm or Hypoblast. Essays In Pastoral Medicine 2012-03-05T03:00:09.993Z Deafness, for example, may be strictly inborn as the outcome of a germinal variation or it may result from extraneous influences such as accidents, infective diseases, neglected tonsils and the like. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z It has also been suggested that adaptive modifications may act as fostering nurses of germinal variations in the same direction. Herbert Spencer 2012-02-29T03:00:20.773Z The teratoid group comprises a more complex massing of tissues, representing a combination of those derived from all the germinal layers of the embryo. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Talk as much as we will about the germinal principles involved in the structure of the egg, we are totally unable to recognize it, or form any conception of its nature. Donahoe's Magazine, Volume XV, No. 3 Volume XV (Jan 1886-Jul 1886) 2012-01-23T03:00:12.223Z That remark," continued Admiral Jellicoe, "gave us the germinal idea of the depth charge. The Victory At Sea 2012-01-17T03:00:15.547Z But what is of much greater importance is the fact that acute and chronic alcoholic intoxication deteriorates the germinal protoplasm of the procreators.... Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z The idea of germinal selection has been elaborated with great subtlety by Prof. Weismann. Herbert Spencer 2012-02-29T03:00:20.773Z Meroblast′ic, undergoing segmentation only in the germinal disc, as the eggs of birds. Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) 2012-01-11T03:00:23.770Z Her mind being filled with germinal susceptibilities, she imbibes almost instinctively an increasing predilection for the performance of religious ceremonies. The Hindoos as they Are A Description of the Manners, Customs and the Inner Life of Hindoo Society in Bengal 2011-10-13T02:00:35.977Z As the bone grows, the germinal layer of the epidermis grows with it. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z In its biological usage inheritance always refers to germinal constitution and never to any condition that may be thrust on a developing organism before birth. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z It seems as if the organism as a whole—through its germinal organisation, of course—may suddenly pass from one position of organic equilibrium to another. Herbert Spencer 2012-02-29T03:00:20.773Z The quotations are proof, however, that germinal somewhere was an aspiration for the verities of things. Edgar Saltus: The Man 2011-09-13T02:00:36.953Z It is, therefore, clear that some at least of the variations in offspring are germinal or spontaneous in origin, and not in any way due to the environment of the embryo. Embryology The Beginnings of Life 2011-09-12T02:00:28.483Z Contrasting pale and dark areas of the germinal layer correspond to the pattern of markings on the scute removed. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z For example, Professor MacDougal, by treating the germ-cells of the evening primrose with various solutions, such as sugar, zinc sulphate and calcium nitrate, has apparently succeeded in producing definite germinal mutations. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z These reproductive cells contain the germinal material or germ-plasm, and this again, in its specific molecular structure, is the bearer of the hereditary tendencies of the organisms from which the reproductive cells originate. Herbert Spencer 2012-02-29T03:00:20.773Z In this connection, he came to the conclusion that some germinal orders were more easily destroyed than others. The Relations of Science and Religion The Morse Lecture, 1880 2011-09-11T02:00:11.613Z Slight variations do, of course, occur, but these are chiefly of a germinal or spontaneous nature, and not due to the environment. Embryology The Beginnings of Life 2011-09-12T02:00:28.483Z The germinal layer of old turtles loses the capacity to produce color. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z We have already seen that the young mammal undergoes a certain period of intra-maternal development, but influences operating on it during this period of gestation must be reckoned with as environmental, not germinal. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z But all these results may be readily interpreted as due to selection of germinal variations. Herbert Spencer 2012-02-29T03:00:20.773Z The true scientific difficulty, however, was determination of a reliable test for destruction of germinal forms, either adhering to the materials, embedded in them, or floating in the atmosphere. The Relations of Science and Religion The Morse Lecture, 1880 2011-09-11T02:00:11.613Z The question then arises, What are the factors external to the embryo which cause these germinal tendencies to become active and fully developed? Embryology The Beginnings of Life 2011-09-12T02:00:28.483Z This layer probably includes, or consists of, germinal epithelium. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z In this way the behavior of a particular character may often be followed and the germinal constitutions of the individuals concerned can be formulated with reference to it. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z From this germinal protoplasm, which makes the germ-cells, he distinguishes the somatic protoplasm which makes the mortal, somatic cells. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z In these cases, the air was carefully restored, precautions being adopted to guard against admission of germinal forms, and in no case did life reappear in the infusions. The Relations of Science and Religion The Morse Lecture, 1880 2011-09-11T02:00:11.613Z They are, that is to say, many of them germinal in origin. Embryology The Beginnings of Life 2011-09-12T02:00:28.483Z The germinal layer of the epidermis probably remains semiactive throughout life but functions chiefly as a repair mechanism in adults that are no longer growing. Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz 2011-10-01T02:00:30.200Z This is known as the theory of germinal continuity. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z It is true that Weismann regards his almost countless germinal particles as being held together in an architectural structure of almost inconceivable complexity. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z This is the test of the presence of life under the microscope in minute germinal structures otherwise incapable of observation. The Relations of Science and Religion The Morse Lecture, 1880 2011-09-11T02:00:11.613Z Along the line of the primitive streak all three germinal layers are in contact. Embryology The Beginnings of Life 2011-09-12T02:00:28.483Z According to some she has done more, burdening a child's spirit with germinal remains of the fears of far-off savage ancestors, to whom darkness and the sounds of wild beasts were fraught with danger. Children's Ways 2011-08-11T02:00:16.473Z Again, the head of the Flathead Indian is a normal head of germinal origin and environment plus the effects of flattening. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z Consider its mode of division, and the formation of the blastula, gastrula, and germinal layers. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z The result has been a valuable addition to scientific knowledge as to the vitality of germinal forms, and a quietus to theories as to "spontaneous generation." The Relations of Science and Religion The Morse Lecture, 1880 2011-09-11T02:00:11.613Z This third germinal layer divides into two portions before very long, and the space between these two is that in which the body cavity itself subsequently arises. Embryology The Beginnings of Life 2011-09-12T02:00:28.483Z This predominance of self, this kinship with the unsocial brute, which shows itself in these germinal animosities, seems to be discoverable also in the unfeelingness of children. Children's Ways 2011-08-11T02:00:16.473Z Perhaps it is scarcely possible to separate now all the tangled skeins in the mixed conception of Artemis, or to lay the finger on the germinal conception of her nature. Myth, Ritual And Religion, Vol. 2 (of 2) 2011-07-22T02:00:19.110Z As an attempt to explain gastrulation, the origin of the germinal layers and many other events of development, the doctrine of determinants has reversed cause and effect. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z But in this inevitable admission of option a new principle was introduced whose germinal force could not afterwards be stayed. The Teacher Essays and Addresses on Education 2011-07-19T02:00:17.220Z The shading is due to an increased growth of cells, because here the three germinal layers—embryonic ectoderm, mesoderm, and entoderm—are in contact. Embryology The Beginnings of Life 2011-09-12T02:00:28.483Z The formative principle or force of the world is said to contain the several rational germinal forms of things. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" 2011-07-16T02:00:16.387Z It has often interested me in reading the later books to recall my first acquaintance with their germinal ideas. Recollections of a Varied Life 2011-07-14T02:00:11.837Z The influence of food, of temperature, or probably of other agencies, determines in which direction the germinal material shall grow. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z The presence of several point mutations in cis, located near the transcriptional start site of a gene that is highly expressed in the germinal centre, is a characteristic feature of somatic hypermutation. Whole-genome sequencing identifies recurrent mutations in chronic lymphocytic leukaemia 2011-07-06T17:21:01.303Z The embryo then which is to form the individual starts its career with a certain number of innate germinal characteristics which manifest themselves in the form of tendencies to grow in this direction or that. Embryology The Beginnings of Life 2011-09-12T02:00:28.483Z The germinal life and the food supply of plant and animal fix the boundaries of its being. The Universe a Vast Electric Organism 2011-06-09T02:00:22.450Z Its whole make-up is consistent with this germinal or controlling idea. A Rambler's lease 2011-05-22T02:00:11.507Z Thus, even from my point of view, explanation of the process of development requires the assumption of the existence of different kinds of germinal material in different kinds of organisms. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z But there's your soul—your soul may be The germinal cell of vaster evolution. Songs and Satires 2011-05-20T02:00:37.050Z These layers we saw were termed the germinal layers, and were named respectively the “ectoderm,” the “entoderm,” and the “mesoderm”—the last appearing between the two former. Embryology The Beginnings of Life 2011-09-12T02:00:28.483Z Most living biologists, however, hold with Weismann that only germinal variations, i.e. variations in the substances of the germ-cells, are heritable. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z In the earlier years, the growth of the religious life is merely germinal. Education in The Home, The Kindergarten, and The Primary School 2011-03-27T02:00:15.947Z There remains to be considered the extent to which the germinal material in the egg determines the course of development of the organism. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z Morgagni's great germinal idea, which made him the father of modern pathology, came to him when he was a student scarcely more than twenty. Makers of Modern Medicine 2011-03-05T03:00:29.580Z Having long studied the problem of the germinal layers in the animal series, I sought to give some idea of their origin and significance. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z Even if we admit that modifications of the soma are not inherited, they may nevertheless play a part in evolution by aiding the development of germinal variations that take the same direction. The New Gresham Encyclopedia Volume 4, Part 2: Ebert to Estremadura 2011-04-14T02:00:56.200Z That is, the only successful "method of introduction of culture" is to introduce blood, to introduce a new stock, a new germinal principle. The Color Line A Brief in Behalf of the Unborn 2011-01-30T03:00:15.907Z Unlike Nussbaum, then, he asserts a continuity, not for the sexual cells, but for the germinal protoplasm which he believes to pass along definite cell-tracks until it forms the sexual cells. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z From "The Fire Worshippers" I have quoted already the best passages, those which express most fully the germinal idea. Thomas Moore 2011-01-14T03:00:51.040Z These began in 1875 and following years with a careful examination of the behaviour of the germinal vesicle in the maturation and fertilization of the ovum. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z The new notions are abroad in the world, quickening with their fresh and vigorous germinal power the dry bones of all the sciences, all the arts, and all the philosophies. Charles Darwin 2010-12-24T03:00:33.847Z They expanded and developed, and applied to new situations and 853 circumstances of the national life, the truths which in a more germinal form they had inherited from their ancestors. Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" 2010-12-20T17:12:05.780Z From causes of which we are ignorant two, instead of one, gastrula stages may arise at separate regions of the germinal layer of the egg. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z A moment later, he was offering the inventors access to YBI's Inspire Lab, a set of two ground-floor conference rooms shared by about 20 start-ups so germinal that they are just tinkering, nights and weekends. Semper Youngstown 2010-05-01T16:00:00Z Finally, before leaving this branch of the subject, the fact that the three germinal layers are continuous with one another, and not isolated masses of tissue, may be emphasized. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z Why was it that the 'Origin of Species' possessed this extraordinary vitalising and kinetic power, this germinal energy, this contagious force, beyond all other forms of evolutionism previously promulgated? Charles Darwin 2010-12-24T03:00:33.847Z It is an old and oft-discussed problem as to which of these germinal particles is the more important in its influence upon the transmission of parental qualities. Catholic Churchmen in Science In this assumption of a specific and highly-organized germinal substance with which a development begins, I agree with evolutionists; but in its details my conception is quite different from their conception. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z The reproductive 98 organs or gonads are borne on the mesenteries, the germinal cells being derived from the inner layer or endoderm. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" The nucleus of the o�cyte is called the germinal vesicle. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z Before he could drain the last of it through the little opening, Winthrope had the husks torn from the ends of two other nuts, and the convenient germinal spots gouged open with his penknife. Into the Primitive Mendel's observations would seem to decide definitely that, in plants and, by implication, in animals, since the germinal process is biogenetically similar, the value of both germinal particles is exactly equal. Catholic Churchmen in Science The germinal material itself is sexless; that is to say, there is not a male and a female germinal material. The Biological Problem of To-day Preformation Or Epigenesis? The Basis of a Theory of Organic Development 2011-08-29T02:01:04.170Z And we should remember, too, that the French, good cooks as they are, have but elaborated an art for the germinal principals of which they are indebted to Italian genius. Ewing\\'s Lady In the germinal layers themselves, and in the organs developing from them, this tissue is in the young stages almost entirely obscured by the densely packed nuclei which it contains. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z Students who were being inoculated with scientific ideas of law and order, were bewildered by a theory of life which had no organic relation to the great germinal ideas of the day. Thomas Carlyle Famous Scots Series This is the first actual demonstration of the equivalent value of both germinal particles as regards their influence on transmission inheritance in future generations. Catholic Churchmen in Science For the germinal idea of Darwin appeals, as to witnesses, to the results of two lines of biologic investigation which were almost unknown to the men of the eighteenth century. The Voice of Science in Nineteenth-Century Literature Representative Prose and Verse The origin and development of the blastoderm or germinal disc has nothing to do with recapitulation of the phylogeny. Naturalism And Religion Pander observed the germinal membrane or blastoderm, as he for the first time called it, of the fowl’s egg to acquire three layers of organized substance in the earlier period of incubation. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z These are the products of the somatic cells; the disease lies deeper in their germinal constitution. The Social Direction of Evolution An Outline of the Science of Eugenics Mendel suggests as following logically from the results of his experiments and observations a certain theory of the constitution of germinal particles. Catholic Churchmen in Science The vital germinal spot of each forward step in women’s position must be sought with the women who are the conscious mothers of the race. The Position of Woman in Primitive Society A Study of the Matriarchy Personal selection depends upon a “germinal selection” within the germ-plasm, influencing it, and being influenced by it—for instance, restrained. Naturalism And Religion This patch is the germinal disc, and the nuclear divisions are confined to it and to the transitional region, where it merges into the denser yolk which makes up the bulk of the egg. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z He cannot hope by nurture and by education to create new germinal types. The Social Direction of Evolution An Outline of the Science of Eugenics “But in things done without the germinal process,” he adds, “such as the changing of men into beasts or the resurrection of the dead, there the Devil can do nothing.” La Sorcière: The Witch of the Middle Ages He urged that variations are germinal, i.e. they first appear in the egg and the sperm as changes that later bring about modifications in the individual. A Critique of the Theory of Evolution It is a polemic against Weismannism in all details, even to the theory of “germinal selection.” Naturalism And Religion In this manner the germinal disc has become converted into the blastoderm, which consists of a small watch-glass-shaped mass of so-called cells resting on, but continuous with, the large yolk-mass. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z Rarely some of the organismal characters resulting from such germinal modification may be in the direction of greater adaptedness; usually they are neutral or in the direction of utter unfitness. The Social Direction of Evolution An Outline of the Science of Eugenics Mr. Sorby made numerous investigations with relation to the number of molecules in the germinal matter of eggs, and the spermatic matter supplied by the male. Was Man Created? This idea of germinal variation therefore carried with it the death of the older conception of evolution by superposition. A Critique of the Theory of Evolution She is lavish of her leaves, but less so of her flowers, still less of her fruit, and less yet of her germinal parts. Under the Maples It is by isolating the three germinal ideas of these three Christological systems and comparing them, that a full comprehension of monophysitism in all its stages, from seed to flower, is reached. Monophysitism Past and Present A Study in Christology Marriage of a normal person with one affected parent is fit because this individual is wholly without germinal determiners for this character. The Social Direction of Evolution An Outline of the Science of Eugenics This is the germinal cell of that vast social movement of which foreign missions, the establishment of the American Republic, and the modern labor movement are products. The Social Principles of Jesus These people have no idea of germinal cells or their conjugation. The Sexual Question A Scientific, psychological, hygienic and sociological study The germinal vesicle is so simple that it may be defined in a line. Essays: Scientific, Political, & Speculative, Vol. I Herein lies the difference between these two great divisions of the human family, and this is the germinal fact in the war raging to-day between Spain and the United States. A Short History of Spain Enough is known, however, to make it clear that it is only rarely indeed that external conditions can thus affect the germinal structure. The Social Direction of Evolution An Outline of the Science of Eugenics The author’s method would make knowledge invigorate and mature the judgment and not burden the memory, and this is the germinal idea in all sound education.––Geo. Almost A Man A natural law compels the male germinal cell to move toward the egg; exceptions to this law are rare, the female germinal cells being larger and produced in less number. The Sexual Question A Scientific, psychological, hygienic and sociological study But in the germinal man, nature does adopt just this method. A Man's Value to Society Studies in Self Culture and Character The author of the "Vestiges" claims that the first step in the creation of life upon our earth was a chemico-electric operation, forming simple germinal vesicles. The Christian Foundation, Or, Scientific and Religious Journal, Volume I, No. 7, July, 1880 Furthermore, there seems to be no adaptive relation between the general character of the germinal disturbance and the environmental disturbance. The Social Direction of Evolution An Outline of the Science of Eugenics In this stage of intellectual development, then, we have to do with a condition which seems to belong solely to man, or has but a germinal existence in the lower organic kingdom. Man And His Ancestor A Study In Evolution The attraction of one kind of germinal cell and its bearer for the other must also be more or less mutual. The Sexual Question A Scientific, psychological, hygienic and sociological study Among the factors thus influencing the sexual life of the child, we can distinguish those affecting the germinal rudiments from those which exercise their influence later. The Sexual Life of the Child From the germinal impression of a description, all the details grow; to this primary impression they all contribute. English: Composition and Literature Here the body alone is modified and not the germinal substance for the next generation within this body. The Social Direction of Evolution An Outline of the Science of Eugenics Suffice it to suggest here that nature as she presides over organic evolution, that is, the unfolding of the germinal powers, may be conceived as a kindly but slow-going and cautious liberator. Progress and History As a rule the bearer of one of the germinal cells becomes active and penetrating; that of the other passive and receptive. The Sexual Question A Scientific, psychological, hygienic and sociological study It may, however, be taken as another proof of Chateaubriand's importance in the germinal way, for it starts the Romantic interest in Spanish things. A History of the French Novel, Vol. 2 To the Close of the 19th Century The question whether they represent germinal or decadent totemism, or neither, must be considered separately in every case. Introduction to the History of Religions Handbooks on the History of Religions, Volume IV There is no correspondence between the bodily and the germinal modifications resulting from the action of the same condition. The Social Direction of Evolution An Outline of the Science of Eugenics The hyphomycetes are composed of a mycelium of short jointed rods or "hyphæ" springing from an axis or germinal tube which develops from the spore. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. But what is of much greater importance is the fact that acute and chronic alcoholic intoxication deteriorates the germinal protoplasm of the procreators. The Sexual Question A Scientific, psychological, hygienic and sociological study The same doctrine is to be found in its germinal state in Hobbes, Leviathan, 24, 1651, and Rice Vaughan, Discourse of Coin and Coinage, 1675. Principles Of Political Economy These societies are referred to above;2019 here we have only to notice their germinal ecclesiastical character. Introduction to the History of Religions Handbooks on the History of Religions, Volume IV Each of these complexes results apparently from a series of reactions between the conditions of development and a group of hypothetical germinal determiners that tend to be associated within the germ. The Social Direction of Evolution An Outline of the Science of Eugenics The germinal cell then grows forth into the forms typical for the particular Schizomycete concerned. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" The embryonic period is the name given to the period between the exit of the germinal cell from the maternal body and the final complete development which it acquires in becoming the adult individual. The Sexual Question A Scientific, psychological, hygienic and sociological study The most valuable means of securing this all-important growth is “play,” which Froebel said contained the germinal leaves of all later life. The New Education A Review of Progressive Educational Movements of the Day (1915) This optimistic point of view, which has no doubt existed in germinal shape among all peoples, appears also in the modified dualism of the Old Testament and the late Jewish and Christian schemes. Introduction to the History of Religions Handbooks on the History of Religions, Volume IV But in the second place there are certain environmental circumstances which do affect the structure of the germinal substance within the body of an organism. The Social Direction of Evolution An Outline of the Science of Eugenics Of course, as one would expect from the time, and the profession of the author, the meal of the morality is a little above the malt of the tale; but the very titles are "germinal." A History of the French Novel, Vol. 1 From the Beginning to 1800 Spermatozoa and Ova.—In all the higher animals, including the hermaphrodites, the male germinal cells, or spermatozoa are characterized by their mobility. The Sexual Question A Scientific, psychological, hygienic and sociological study How deleterious, and even deadly, must the internal administration of alcoholic liquors then be in the treatment of diphtheria, and of other diseases having a germinal origin? Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say These refugees, smarting under the lash of tyranny, scattered broadcast over the generous soil the germinal ideas of popular freedom, and successful oppression was made difficult, if not impossible. The Witch of Salem or Credulity Run Mad Neglect to hand on undimmed the priceless germinal qualities which such families possess, can be regarded only as the betrayal of a sacred trust.... The Social Direction of Evolution An Outline of the Science of Eugenics If the living germinal organism has its paternity in a dog, it will remain a dog in spite of food and environments. The Christian Foundation, Or, Scientific and Religious Journal, Volume 1, January, 1880 Penetration of the Spermatozoid into the Egg.—In all the higher animals in which the germinal cells are of two kinds, male and female, conjugation takes place in rather a different manner. The Sexual Question A Scientific, psychological, hygienic and sociological study It therefore follows, to my mind, that all the diseases which are the result of germinal infection, are most badly treated when alcohol is used in their therapy. Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say After having been affirmed as a dogma, the transmissibility of acquired characters has been no less dogmatically denied, for reasons drawn a priori from the supposed nature of germinal cells. Creative Evolution In general, organisms develop under pretty much the same conditions as their parents and general ancestry did, and their germinal substances are directly continuous, and therefore very similar. The Social Direction of Evolution An Outline of the Science of Eugenics The vesicle corresponds to the vesicle, or germinal spot, in the eggs of birds, and ovum of mammiferous animals. The $100 Prize Essay on the Cultivation of the Potato. Prize offered by W. T. Wylie and awarded to D. H. Compton. How to Cook the Potato, Furnished by Prof. Blot. It is as if the nervous system or the whole organism felt as if it had for the moment become a germinal cell, so powerful is the desire to unite with the other sex. The Sexual Question A Scientific, psychological, hygienic and sociological study Adult characteristics are potential and not actual in the germ, and their actual appearance depends upon many complicated reactions of the germinal units with one another and with the environment. Manhood of Humanity. It is well known how Weismann was led, by his hypothesis of the continuity of the germ-plasm, to regard the germinal cells—ova and spermatozoa—as almost independent of the somatic cells. Creative Evolution As I have hinted before, it was because childhood is empty,—an unconscious, imperfect life,—almost animal,—germinal,—a life in the egg, in the jelly, in the sap. The Atlantic Monthly, Volume 18, No. 108, October, 1866 And these are at the same time the nucleus of naive philosophy and the germinal phase of materialism. The Approach to Philosophy This simple fact gives rise to the formation of correlative sexual differences between the individuals bearing each kind of germinal cells. The Sexual Question A Scientific, psychological, hygienic and sociological study Individual traits are not transmitted from the hen to the egg, but they develop out of germinal factors which are carried along from cell to cell, and from generation to generation....” Manhood of Humanity. "Mysterium" is anything out of which something germinally contained in it can be developed. Spiritual Reformers in the 16th & 17th Centuries This something is nature's secret,—it is akin to the life-giving principle which is contained in the germinal fluid, and in the hen's egg. The Eugenic Marriage, Vol. 2 A Personal Guide to the New Science of Better Living and Better Babies All the fulness and delight of this germinal spring-time she owed to the lord and lover who was waiting for her across the shimmering, beckoning sea. The Royal Pawn of Venice A Romance of Cyprus In man, sexual differentiation has led to the formation of two kinds of individuals, differing little in their correlative attributes, but each bearing one kind of germinal cells. The Sexual Question A Scientific, psychological, hygienic and sociological study The origin of all vegetable and animal life, so far as it can be traced, is in germinal vesicles, or little cells containing granules. A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation' Now Pasteur proved that the plague-corpuscles might be incipient in the egg, and escape detection; they might also be germinal in the worm, and still baffle the microscope. Fragments of science, V. 1-2 The generalizations are very crude and vague in their germinal forms. Folkways A Study of the Sociological Importance of Usages, Manners, Customs, Mores, and Morals The germinal vesicle is so simple, that a line will contain all that can be said of it. Evolution, Old & New Or, the Theories of Buffon, Dr. Erasmus Darwin and Lamarck, as compared with that of Charles Darwin In an analogous sense we may say that all the cells of the body are hermaphrodite, as all germinal cells, for each possesses in itself the undifferentiated energies of each sex. The Sexual Question A Scientific, psychological, hygienic and sociological study Now, it has been asserted, that globules can be produced in albumen by electricity; and if these globules are true germinal vesicles, the difficult problem of producing life by artificial means is entirely solved. A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation' It behaves as germinal matter, and they do not hesitate to regard it as such. Fragments of science, V. 1-2 It can hardly be that they were, in the first instance, germinal vesicles, which, in course of time, became so modified as to assume the appearance of pollen-grains. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants The Reptile Life seizes upon another germinal speck, assimilates surrounding matter, and fashions it into a reptile. Natural Law in the Spiritual World We have seen above that the male and female germinal glands arise from the same primitive organ in the embryo. The Sexual Question A Scientific, psychological, hygienic and sociological study The action of electricity, heat, light, or some other mysterious imponderable agent, on these proximate principles, may produce globules, or germinal vesicles. A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation' Has this multitudinous life been spontaneously generated in these six flasks, or is it the progeny of living germinal matter carried into the flasks by the entering air? Fragments of science, V. 1-2 Blastoderm: the germinal membrane from which the organs of the embryo are formed. Explanation of Terms Used in Entomology His indebtedness to any of them, or to all of them, consists simply in the fact that he recognized the germinal truths in their writings, and saw far beyond what they saw. Socialism A Summary and Interpretation of Socialist Principles But we must not forget that the germinal cells themselves are only differentiated at a certain period in the development of the embryo; they are thus hermaphrodite originally and only become male and female later. The Sexual Question A Scientific, psychological, hygienic and sociological study I have not found a passage so striking as that which occurs a few lines lower “that the germinal vesicle is impressed with some power which is wonderfully preserved, &c.” The Foundations of the Origin of Species Two Essays written in 1842 and 1844 My colleague may urge — and fairly urge — that the assumption of germinal matter is by no means necessary; that the air itself may be the one thing needed to wake up the dormant infusions. Fragments of science, V. 1-2 To this we must add a fourth factor, the intensification of variations which Darwin established as a fact, and which we are now able to account for theoretically on the basis of germinal selection. Evolution in Modern Thought In the earliest periods of these peoples' history we find the germinal elements of those great charters of liberty which are to become the chief corner-stone of free government and mighty guarantees of personal liberty. Masterpieces of Negro Eloquence The Best Speeches Delivered by the Negro from the days of Slavery to the Present Time Mnemic engraphy explains, by its infinitesimal and repeated action through numerous generations, how the external world may little by little transmit to the germinal cells the characters which it impresses on organisms. The Sexual Question A Scientific, psychological, hygienic and sociological study In case of horns of cattle, which when inherited must depend on germinal vesicle, obviously no effect till cattle full-grown. The Foundations of the Origin of Species Two Essays written in 1842 and 1844 Always in the case of the latter the sowing, of the atmospheric dust yields a crop of bacteria—never in the former does the dry germinal matter kindle into active life. Fragments of science, V. 1-2 I digress here in order to give an account of the intimate processes, which, according to my view, take place within the germ-plasm, and which I have called "germinal selection." Evolution in Modern Thought This substitution of rational procedure for custom is an irreversible and germinal process. The Moral Economy All intoxications which alter the protoplasm of the germinal cells may produce blastophthoric degenerations, which continue to menace several successive generations in the form of hereditary taints. The Sexual Question A Scientific, psychological, hygienic and sociological study It is certain that the Foundations contains strong recognition of the importance of germinal variation, that is of external conditions acting indirectly through the “reproductive functions.” The Foundations of the Origin of Species Two Essays written in 1842 and 1844 But the case is entirely different when we inoculate our turnip infusion with the desiccated germinal matter afloat in the air. Fragments of science, V. 1-2 The process of dwindling cannot therefore be explained as due to panmixia alone: we can only find a sufficient explanation in germinal selection. Evolution in Modern Thought They are nucleated cells, the nucleus going by the special name of the germinal vesicle and the nucleolus the germinal spot. Text Book of Biology, Part 1: Vertebrata The germinal cell divides into a number of cells called embryonic, which become differentiated into layers or groups which later on form the different organs of the body. The Sexual Question A Scientific, psychological, hygienic and sociological study The idea of the growth of the soul and of germinal excellence of any kind is foreign. Europe—Whither Bound? Being Letters of Travel from the Capitals of Europe in the Year 1921 On the 1st of March last I purposely infected the air of our laboratory with the germinal dust of a sapless kind of hay mown in 1875. Fragments of science, V. 1-2 They seem to constitute a species of simple primitive germinal drama. The Parables of Our Lord The germinal area segments, and lies upon the yolk which has defeated the efforts of its small mingling of protoplasm to divide. Text Book of Biology, Part 1: Vertebrata No doubt the cold acts on the germinal cells as on the rest of the body, but the heredity of an acquired character is thus demonstrated. The Sexual Question A Scientific, psychological, hygienic and sociological study But if you have given yourselves to that Saviour, and received the germinal gift of eternal life from Him, then, take my text as absolutely imperative for you. Expositions of Holy Scripture Second Corinthians, Galatians, and Philippians Chapters I to End. Colossians, Thessalonians, and First Timothy. But the extension of this result to the desiccated germinal matter of the air is without warrant or justification. Fragments of science, V. 1-2 Those types showed out in a comparatively germinal fashion the mental characteristics which were to grow out of the selected groups. London Lectures of 1907 After the ovum has finished its growth, and elaborated the yolk within itself, a peculiar change occurs in the small area free from yolk-- the animal pole, in which the germinal vesicle lies. Text Book of Biology, Part 1: Vertebrata Their views, often premature, composed of half-truths, were mingled with glaring errors and fantastic misconceptions, but were none the less germinal. Lamarck, the Founder of Evolution His Life and Work Either the ovum was a cell and the germinal vesicle its nucleus, or else the germinal vesicle was itself a cell within the larger cell of the ovum and the germinal spot was its nucleus. Form and Function A Contribution to the History of Animal Morphology In the writings of the Greek and Roman philosophers are found the germinal concepts of geological truths. The Necessity of Atheism On the kind of combinations of germinal traits that are made by marriage depends whether or not undesirable traits shall reappear in the offspring. How to Live Rules for Healthful Living Based on Modern Science The entire germinal area grows steadily at its edges to creep over and enclose the yolk. Text Book of Biology, Part 1: Vertebrata Acquired Character, a modification of a germinal trait after cell fusion. Applied Eugenics Wagner in his Prodromus called attention to the widespread occurrence, within the germinal vesicle of a darker speck which he called the Keimfleck or germinal spot, known sometimes as Wagner's spot. Form and Function A Contribution to the History of Animal Morphology Thus he espoused the anti-slavery movement in politics in its germinal stage, and became one of the most sagacious and efficient organizers of the Republican Party in his native State. Autobiography of Seventy Years, Vol. 1-2 His words are: "The first step in the creation of life upon this planet was a chemico-electric operation by which simple germinal vesicles were produced." Evolution An Investigation and a Critique The protoplasm of the ovum, except at that part of the surface where the germinal vesicle lies, is packed with a great amount of food material, the yolk granules. Text Book of Biology, Part 1: Vertebrata The mean of this trait is taken as representing the germinal trait in its typical condition. Applied Eugenics As early as 1791 Poli had seen the germinal vesicle in the eggs of molluscs, but the first adequate account was given by Purkinje. Form and Function A Contribution to the History of Animal Morphology This final expenditure on the part of a cell of its modification of force is the act of molecular death, the germinal essence of all decay. The Destiny of the Soul A Critical History of the Doctrine of a Future Life The more than normal development of the blacksmith's arm is rightfully called an acquired trait, since it arises from exercise, from use, not from germinal conditions. Evolution An Investigation and a Critique This germinal vesicle divides, and one moiety is budded off from the ovum. Text Book of Biology, Part 1: Vertebrata Inborn usually means germinal, as applied to a trait, and it is so used in this book. Applied Eugenics These specific nuclear substances, different for each cell, are accumulated also in the nuclei of the germinal substance, constituting what Rignano calls the central zone of development. Form and Function A Contribution to the History of Animal Morphology That is the germinal core of our mental being, integrating and holding in continuous identity all the phenomenal fluctuations of consciousness. The Destiny of the Soul A Critical History of the Doctrine of a Future Life A similar growth from the germinal designs of the Pisani may be traced in many groups. Sketches and Studies in Italy and Greece, Third series There have been instances, and I have seen such, of females in whom the special mechanism we are speaking of remained germinal,—undeveloped. Sex in Education or, A Fair Chance for Girls But he offered no evidence that this is an acquirement rather than a germinal character. Applied Eugenics The epidermis is differentiated from without inwards into the stratum corneum, the stratum lucidum, the stratum granulosum, and the rete Malpighii or germinal layer, from which all the others are developed. Manual of Surgery Volume First: General Surgery. Sixth Edition. Prof. Forbes gave a learned and scientific dissertation on contagious diseases of insects, and a number of germinal diseases, and experimental and successful attempts to kill them. Prairie Farmer, Vol. 56: No. 1, January 5, 1884. A Weekly Journal for the Farm, Orchard and Fireside This was the germinal idea which grew into the "Madonna in Gloria." The Madonna in Art Further, different children will represent different selections from amongst the germinal elements. Anthropology But where the amount of modification is too obscure to be detected, it is advantageous to take the demonstrated achievement as a tentative measure of the germinal basis. Applied Eugenics If man loves his mind he will, through culture, lead what is germinal and latent forth into full blossom and fruitage. The Investment of Influence A Study of Social Sympathy and Service The vital germinal spot of each reform in women's rights," he argued with apparent liveliness, blowing clouds of smoke, "must be the maternal instinct. Atlantis The conditions which surround the individual would affect its body, but it is not easy to believe that they would affect the germinal substance. The Story of the Living Machine A Review of the Conclusions of Modern Biology in Regard to the Mechanism Which Controls the Phenomena of Living Activity Even if this were true, little would be gained, for it would still remain unknown how the germinal miniature originated to be just what it was conceived and assumed to be. The Doctrine of Evolution Its Basis and Its Scope Most philanthropy starts out unquestioningly with the assumption that by modifying the individual for the better, it will thereby improve the germinal quality of the race. Applied Eugenics They are of a germinal or seed character. The Way of Salvation in the Lutheran Church It is a relief to me to have "germinal selection" to explain this. Alfred Russel Wallace: Letters and Reminiscences, Vol. 2 The New Astronomy contemplates a period when each of the planets was a germinal nucleus of matter around which other matter was precipitated, thus producing a kind of world-growth or accretion. Notable Events of the Nineteenth Century Great Deeds of Men and Nations and the Progress of the World Those malformations, however, which are due to qualities in the germinal material itself are inherited, and certain of them with remarkable persistence. Disease and Its Causes There is abundant explanation of evolution, in the abundant supply of germinal variations which every individual presents. Applied Eugenics In the spiritual yearnings, the profound and yet uncertain stirrings of the religious consciousness, its half-understood impulses to God, we perceive the floating-up into the conscious field of this deep germinal life. The Life of the Spirit and the Life of To-day One minute before this he was an irresponsible baby "cheeking" Moles White; now he was the germinal man, borne down with the weight of life. Tell England A Study in a Generation We take for granted, I repeat, that all man's mental faculties are germinally, potentially, present in protoplasm; we seek the history of their development. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 In a one-celled individual, there is no distinction between germinal and bodily functions. Taboo and Genetics A Study of the Biological, Sociological and Psychological Foundation of the Family It is desirable to discriminate as much as possible between the possession of the germinal basis and the observed achievement, since the latter consists of the former plus or minus environmental influence. Applied Eugenics At each stage the germinal soul represents the totality, the net outcome of its existences, as in each generation of a plant the seed may be said to do. New Ideas in India During the Nineteenth Century A Study of Social, Political, and Religious Developments To unravel the true germinal conception of Gladstone, and to assign to all the later accretions of myth their provenance and epoch, are the problems attempted in this chapter. In the Wrong Paradise The theory of pangenesis, as propounded by Mr. Darwin, may be very briefly stated as follows: The cells in all parts of the body are continually throwing off germinal particles, or "gemmules." The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 It is in this germinal sensitivity, undoubtedly, that we find a chief key to the practice of pedicatio. Studies in the Psychology of Sex, Volume 5 Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in Pregnancy The germinally blind and deaf will particularly occur to mind in the latter connection. Applied Eugenics As the seed transmits the type, and also some variation from the type, so is the germinal soul transmitted through unconsciousness, ennobled or degraded by each conscious existence it has lived. New Ideas in India During the Nineteenth Century A Study of Social, Political, and Religious Developments It is interesting to trace the germinal elements of those peculiarities which so strongly affected his imagination on the sexual side. Studies in the Psychology of Sex, Volume 3 Analysis of the Sexual Impulse; Love and Pain; The Sexual Impulse in Women It was as if all those dim and germinal desires had burst and blossomed in this sinful passion for a blouse. Superseded A great center of vital activity—practically a new center, for only the germinal form of it in menstruation had previously existed—has appeared and affects the whole organism. Studies in the Psychology of Sex, Volume 5 Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in Pregnancy But there are other classes on which it can act with safety as well as profit, and one of these is made up by the germinally insane. Applied Eugenics Hence the beautiful is always ideal; that is, it enfolds, embraces, represents, with more or less success, the idea out of which springs the object it illuminates: it brilliantly enrobes a germinal essence. Essays Æsthetical There must be in the moral world absolute and right potent germinal facts which lie infinitudes beyond the reach of any moral microscope, as in the natural world beyond the most powerful of lenses. Paul Faber, Surgeon All through the germinal years of the Revolution he was one of the foremost patriots, steadily opposing any abandonment or compromise of essential rights. Library of the World's Best Literature, Ancient and Modern — Volume 1 Who knows but that such might have been the germinal idea of their constructions? Overland Such a wide variation from the mean thus caused is called an acquired character; it is usually impressed on the organism after the germinal trait has reached a full, typical development. Applied Eugenics The mind seems to exist only in a germinal state; observation, memory, thought, the power of combination, are all wanting. The Atlantic Monthly, Volume 01, No. 04, February, 1858 Furthermore, the ideas in Isaiah 40-55 are almost without exception those which Zechariah had already voiced in germinal form, especially in his latest prophecies preserved in chapters 7 and 8. The Makers and Teachers of Judaism When the twins are a boy and a girl, they are never closely alike; in fact, their origin is never due to the development of two germinal spots in the same ovum. Inquiries into Human Faculty and Its Development This embryo is the product of fertilization of a germinal vesicle by a pollen tube. Scientific American Supplement, No. 531, March 6, 1886 This applies, of course, only to the germinal nature. Applied Eugenics But there are also fruits which are not outward, which are of the true germinal sort, and which develop themselves sooner or later in a beautiful life. The German Classics of the Nineteenth and Twentieth Centuries, Volume 02 Masterpieces of German Literature Translated into English. in Twenty Volumes For the real, the germinal truth of nature, is not a dead series of physical phenomena into the like of which all phenomena are cunningly to be explained away. Famous Reviews Improvements in knowledge he regarded as the only elements of real progress; and these he looked upon as true germinal principles, bound up organically in the constitution of the human soul. The Atlantic Monthly, Volume 04, No. 21, July, 1859 The subsequent behavior of the pollen cell, its division and its fertilization of the germinal vesicle or oosphere, leave no doubt as to its analogy with the microspore of vascular cryptogams. Scientific American Supplement, No. 531, March 6, 1886 If a girl comes of an intellectual ancestry, it is likely that she herself will carry such traits germinally, even if she has never had an opportunity to develop them. Applied Eugenics When this albuminous spot becomes somewhat larger, there arises a little dot in the centre,—the germinal dot, as it is called. The Atlantic Monthly, Volume 10, No. 61, November, 1862 Nevertheless, all living things have much in common in their chemical composition, their germinal vesicles, their cellular structure, and their laws of growth and reproduction…. Famous Reviews There is, indeed, half a century of development between the two books, yet the germinal thought of the second may be detected in the first. Unitarianism Having now described the formation of the pollen and the germinal vesicles, it only remains to show how they form the embryo. Scientific American Supplement, No. 531, March 6, 1886 Due to any one or more of a number of causes, it is possible for a germinal degenerate to appear in a good family; discrimination should certainly be made against such an individual. Applied Eugenics Ideas, in this respect, resemble the trees, which branch and diverge more and more widely as they proceed from the root and the germinal state. The Atlantic Monthly, Volume 06, No. 37, November, 1860 It bears germinally in itself all that it is to experience, and nothing is impressed on it from without. History of Modern Philosophy From Nicolas of Cusa to the Present Time No doubt he often supplied the germinal ideas, while his assistants only carried them out. Heroes of the Telegraph A germinal mass is only made up of germinal points--those considered as the least of any given whole--however infinitesimal they may be in theoretical statement. Life: Its True Genesis It is evident that all characters which make up a man or woman, or any other organism, must be either germinal or acquired. Applied Eugenics The man who gives us a really new fact deserves to be classed with him who makes two blades of grass grow where one grew before, for it contains the germinal principle of knowledge. The Atlantic Monthly, Volume 06, No. 37, November, 1860 The first stage is germinal life; the second, youth; the third, maturity. History of Modern Philosophy From Nicolas of Cusa to the Present Time A corresponding germinal condition, the two-layered gastrula, occurs transitorily in the embryological history of all the other Metazoa, from the lowest Cnidaria and Vermes up to man. Monism as Connecting Religion and Science A Man of Science It means the "germ of anything," or the "germinal principle of life," as contained in anything that lives or grows. Life: Its True Genesis In general, it is more difficult to decide whether a mental trait is germinal, than whether a physical one is; and great care should be used in classification. Applied Eugenics Froebel thought it the purest and most spiritual activity of childhood, the germinal leaves of all later life. Youth: Its Education, Regimen, and Hygiene Our body too has two principal kinds of cells, the corporal cells that constitute our organs, and the germinal cells from which new organisms are developed. The Bride of Dreams We want the germinal idea that America, inheritor of the past, is the custodian of the future of humanity. Complete Prose Works Specimen Days and Collect, November Boughs and Goodbye My Fancy It can be easily accounted for, however, on the theory we have suggested--that of the germinal principle of life implanted in the earth, as the Bible genesis indubitably indicates. Life: Its True Genesis In the face of such examples, can anyone maintain that differences in mental make-up are wholly due to different influences during childhood, and not at all to differences in germinal make-up? Applied Eugenics Then he proposed his theory of germinal selection, determinants growing and multiplying in competition, some perhaps disappearing altogether, though this does not satisfactorily account for entirely new characters. Hormones and Heredity Wordsworth knows no restraint of form or feeling in his great "Ode"; its germinal idea is absurd to logic, but not to the imagination. A Study of Poetry Our history is so full of spinal, modern, germinal subjects—one above all. Complete Prose Works Specimen Days and Collect, November Boughs and Goodbye My Fancy The presence of the germinal principles of life in the earth is emphatically averred in the Bible genesis. Life: Its True Genesis And in many cases it is difficult to distinguish between a real germinal condition of this sort, and an acquired disease. Applied Eugenics It has no growth nor development: it is not a subject of evolution: there is no goal of perfection to which it is tending by dint of inward germinal capacity seconded by favourable environment. Moral Philosophy All these thoughts, germinal in the prophet's words, are set in fullest light, and certified by the most heart-moving facts, in the Person and work of Jesus Christ. Expositions of Holy Scripture Isaiah and Jeremiah Slang, profoundly consider'd, is the lawless germinal element, below all words and sentences, and behind all poetry, and proves a certain perennial rankness and protestantism in speech. Complete Prose Works Specimen Days and Collect, November Boughs and Goodbye My Fancy But the vital principle that produced them--that which becomes germinal under the proper conditional incidences--he can no more destroy by experimentation than he can create a new world or annihilate the old one. Life: Its True Genesis These socialists, having refused to accept the great weight of germinal differences in accounting for the main differences in achievement, have no alternative but to fall back on the theory of economic determinism. Applied Eugenics The plays of children are the germinal leaves of all later life.—Froebel. The Child and Childhood in Folk-Thought Studies of the Activities and Influences of the Child Among Primitive Peoples, Their Analogues and Survivals in the Civilization of To-Day But if Mr. Robinson is not a germinal writer, he is at all events a precursor of the modern advance. The Advance of English Poetry in the Twentieth Century The morality of the Gospel, if I may so say, is a morality of centres, not of circumferences; of germinal principles, not of special prescriptions. Expositions of Holy Scripture Psalms It is by this sort of scientific verbiage that he gets rid of the pre-existing vital principle, or germinal principle of life, which the biblical genesis declares to be in the earth itself. Life: Its True Genesis To say, then, that any mental trait is a unit character, or that it is due to a single germinal difference, is to go beyond both the evidence and the probabilities. Applied Eugenics The male germinal cell is like the female cell in the possession of a nucleus; in other respects it is very different. The Prospective Mother, a Handbook for Women During Pregnancy The whisper, in its first germinal sprout, was merely that Malcolm was not a MacPhail; and even in its second stage it only amounted to this, that neither was he the grandson of old Duncan. Malcolm We can thus suppose the various forms of plants as, immediately, the result of a law in electricity variously affecting them according to their organic character, or respective germinal constituents. Vestiges of the Natural History of Creation Professor Bastian thinks he has conclusive evidence that what he calls "new-born specks of living matter" are produced de novo, that is, independently of any conceivable germ or germinal principle of life implanted in nature. Life: Its True Genesis The following historical considerations suggest that in comparison with some other races the Negro race is germinally lacking in the higher developments of intelligence: 1. Applied Eugenics Fertilization of the ovum, as this event is scientifically termed, has as its main purpose the uniting of the nucleus of a male germinal cell with the nucleus of the female germinal cell. The Prospective Mother, a Handbook for Women During Pregnancy It is at the same time an instance of wonderful art in construction, all the force of the germinal thought kept in reserve, to burst forth at the last. England's Antiphon Remembering these things, we are drawn on to the supposition, that the first step in the creation of life upon this planet was a chemico-electric operation, by which simple germinal vesicles were produced. Vestiges of the Natural History of Creation To define a bioplast as a germinal point in germinal matter, or bioplasm, is to draw no satisfactory line of distinction between the two, except that the one is a mere aggregation of the other. Life: Its True Genesis The significance of these differences depends largely on whether they are germinal, or merely the results of social tradition. Applied Eugenics According to recent evidence, there are two kinds of male germinal cells; one kind giving rise to female offspring and the other to male. The Prospective Mother, a Handbook for Women During Pregnancy After the operation, the germinal cells, which grow into the spermatozoa, atrophy and disappear, since they can no longer function. The Glands Regulating Personality So earnest a man has not appeared since the days of Luther, nor any one whose thoughts are so suggestive, germinal, and propagative. The Atlantic Monthly, Volume 01, No. 02, December, 1857 Then, gradually, over perhaps many million more years, the germinal kingdom brought forth the different forms of matter, bacteria, et cetera. Abducted to Oz "The plays of childhood are the germinal leaves of all later life." The Child under Eight The germinal cells then contain the material basis of inheritance, and in all probability the substance is located within the nucleus of the cells. The Prospective Mother, a Handbook for Women During Pregnancy Their body consists merely of a primitive gut, the wall of which is made up of the two primary germinal layers. The Evolution of Man — Volume 2 The two portions then divide, and two cells appear, each containing its own germinal nucleus. American Woman's Home Also its outer germinal layer has certain special modifications. The Evolution of Man — Volume 1 Despite Gogol's undoubted claim to be regarded as the founder of Russian fiction, it is worth remembering that of the three works on which rests his international fame, two cannot possibly be called germinal. Essays on Russian Novelists Each of these remarkable units is called an Ovum, or egg-cell, and represents one variety of the germinal cells. The Prospective Mother, a Handbook for Women During Pregnancy In the unicellular Protozoa, which do not form germinal layers, there is, of course, neither nervous system nor skin. The Evolution of Man — Volume 2 How did these germinal forms of courage, prudence, industriousness, etc, first come into existence? Problems of Conduct The remarkable processes of gastrulation, ovum-segmentation, and formation of germinal layers present a most conspicuous variety. The Evolution of Man — Volume 1 The hero is almost an imitation of the man in Gogol's short story, The Cloak, affording another striking example of the germinal power of that immortal work. Essays on Russian Novelists FERTILIZATION.—Convincing observations upon the lower forms of life, especially upon fishes, have shown that when the germinal cells come near to each other, the ovum attracts the spermatozoon. The Prospective Mother, a Handbook for Women During Pregnancy It comes from the outermost parietal stratum of the middle germinal layer, or the skin-fibre layer. The Evolution of Man — Volume 2 The ripe human ovum or germ cell is a spheric cell, about 0.2 mm. in diameter, consisting of granular protoplasm, in which lies a nucleus which contains the germinal spot. The Four Epochs of Woman's Life; a study in hygiene In every case these primitive organs develop in the same way from the germinal layers, and the same organs always arise from them in the mature chorda-animal. The Evolution of Man — Volume 1 The female and male germinal cells unite and form the primitive reproductive cell—the prototype of marriage. Nature Cure These two processes lead to a reduction in the number of chromosomes, so that finally every human germinal cell contains twelve, and therefore when the ovum is fertilized the characteristic number twenty-four is restored. The Prospective Mother, a Handbook for Women During Pregnancy All these important parts of the eye are products of the outer germinal layer. The Evolution of Man — Volume 2 The ovule is a minute cell with a transparent membrane, within which is the yolk containing the germinal vesicle. The Four Epochs of Woman's Life; a study in hygiene Special importance attaches to the fact that here again the four secondary germinal layers are already sharply distinct, and easily separated from each other. The Evolution of Man — Volume 1 For Malory, not Celtic legend, supplied Tennyson with the germinal idea of a poem which, in the romance, has no bearing on the final catastrophe. Alfred Tennyson The material which conveys inheritable characters can be seen and has been identified in both germinal cells; from each of them the fertilized ovum derives equal amounts. The Prospective Mother, a Handbook for Women During Pregnancy It is composed of two simple cell-layers, the familiar primary germinal layers. The Evolution of Man — Volume 2 The original and germinal idea would naturally divide itself into another, as the protozoa reproduce themselves. Adventures Among Books At this spot we have the most brisk cleavage of the cells; hence the cells are more numerous and smaller here than in the fore-half of the germinal disk. The Evolution of Man — Volume 1 Remembering that Araucaria, unlike Banksia, belongs to the earlier Jurassic not to the angiospermous flora, this view is a germinal idea of the widest generality. Darwin and Modern Science Self-consciousness in the animals, in a germinal form is there, no doubt, but EMBEDDED, so to speak, in the general world consciousness. Pagan and Christian creeds: their origin and meaning In the thick fine-grained yelk we find a clear round germinal vesicle of about 1/750 of an inch in diameter, and this encloses a small embryonic spot or nucleolus. The Evolution of Man — Volume 2 One writer informs me that, given the idea, the germinal idea, it is as easy for him to make a novel out of it as a tale—as easy, and much more satisfactory and remunerative. Adventures Among Books But in the monotremes the formation of the cenogenetic entoderm does not precede the invagination; hence in this case the construction of the germinal layers is less modified than in the other amniota. The Evolution of Man — Volume 1 The process of dwindling cannot therefore be explained as due to panmixia alone; we can only find a sufficient explanation in germinal selection. Darwin and Modern Science Succourful daughters of men are the rosed and starred Revolving Twelves in their fluent germinal rings, Despite the burden to chasten, abase, depose. Poems — Volume 3 The inner germinal layer furnishes the sexual products. The Evolution of Man — Volume 2 The new minister's wife was the being, under Providence, who had conceived the germinal idea of the flag. New Chronicles of Rebecca Of the many different names that have been given to the four secondary germinal layers, the following are those most in use to-day:— 1. The Evolution of Man — Volume 1 Dom. is the beginning, without occasional personality, or an event that deserved to be called a germinal. The Annals of the Parish; or, the chronicle of Dalmailing during the ministry of the Rev. Micah Balwhidder This predisposition may be congenital—that is, present from the date of birth, although not necessarily germinal in origin, or it may be acquired at some period in life from physical or psychic causes. The Journal of Abnormal Psychology, Volume 10 Our embryology has taught us that this first structure of the central nervous system also develops originally from the outer germinal layer. The Evolution of Man — Volume 2 It is only here at the border of the primitive mouth that we can show the direct transition of the two middle layers into the two limiting layers or primary germinal layers. The Evolution of Man — Volume 1 In all these we can distinguish four secondary germinal layers, which develop from the two primary layers. The Evolution of Man — Volume 1 When this vegetal cell-formation continues for a long time, after the two primary germinal layers have been formed, it takes the name of the "after-segmentation." The Evolution of Man — Volume 1 But these are secondary additions, and the inner germinal layer is a simple stratum of cells. The Evolution of Man — Volume 1 The two strata of cells that form the wall of the tube are the primary germinal layers. The Evolution of Man — Volume 2 The tread, which thus becomes the germinal disk, now has the appearance of an eight-rayed star. The Evolution of Man — Volume 1 Only the latter exhibit the important processes of segmentation and gastrulation; and they alone have a primitive gut, and form germinal layers and tissues. The Evolution of Man — Volume 1 The first scientist to recognise and clearly distinguish the four secondary germinal layers was Baer. The Evolution of Man — Volume 1 In both cases a discoid gastrula with primitive streak arises from the segmented ovum, a two-layered germinal disk with long and small hinder primitive mouth. The Evolution of Man — Volume 1 But between the two germinal layers a mesoderm is developed, a soft mass of connective tissue, in which the organs are embedded. The Evolution of Man — Volume 2 This takes no direct part in the building of the germinal layers, and completely fills the primitive gut-cavity of the gastrula, even protruding at the mouth-opening. The Evolution of Man — Volume 1 In the mammals, as well as in the latter, the flat, leaf-shaped germinal disk separates from the yelk-sac, and its edges join together and form tubes. The Evolution of Man — Volume 1 There is a brisk multiplication of these at the edge of the germinal disk, especially in the neighbourhood of the sickle-shaped primitive mouth. The Evolution of Man — Volume 1 A globular vesicle is formed, the wall of which consists of two thin simple strata of cells; the cells of the outer germinal layer are rounder, and those of the inner layer flatter. The Evolution of Man — Volume 1 But this involved the severance of the two primary germinal layers—a most important process. The Evolution of Man — Volume 2 With the appearance of the four superimposed germinal layers we reach again a firm and steady standing-ground, from which we may follow the further, and much more difficult and complicated, course of embryonic development. The Evolution of Man — Volume 1 Hence in the construction of the dorsal half it is chiefly the outer, and in the construction of the ventral half chiefly the inner, germinal layer that is engaged. The Evolution of Man — Volume 1 In the upper part of the yelk is the transparent round germinal vesicle, which corresponds to the nucleus. The Evolution of Man — Volume 1 These two layers, which are the sole builders of the whole organism, are no other than the two primary germinal layers, or the primitive germ-layers. The Evolution of Man — Volume 1 But other important observers say that a part of these cells come from other germinal layers, especially from the gut-gland layer. The Evolution of Man — Volume 2 This was the primitive gut; and the two primary germinal layers which form its wall must also be regarded as identical in all. The Evolution of Man — Volume 1 In the bell-gastrula of the amphioxus and in the hooded gastrula of the lamprey and the frog the germinal layers are found to be closed tubes or vesicles from the first. The Evolution of Man — Volume 1 The two primary germinal layers were first distinguished by Pander in 1817 in the incubated chick. The Evolution of Man — Volume 1 In these the original nucleus of the ovum, the germinal vesicle, is lost. The Evolution of Man — Volume 1 These "eating yelk-cells" are found in large numbers in the food-yelk of the Selachii, especially in the yelk-wall—the border zone of the germinal disk in which the embryonic vascular net is first developed. The Evolution of Man — Volume 2 As their whole organism consists of a single cell, they can never form germinal layers, or definite strata of cells. The Evolution of Man — Volume 1 The first change in the round germinal disk of the chick is that the cells at its edges multiply more briskly, and form darker nuclei in their protoplasm. The Evolution of Man — Volume 1 But all the other animals—all the tissue-forming animals, or metazoa, as we call them, in contradistinction to the protozoa—construct real germinal layers by the repeated cleavage of the impregnated ovum. The Evolution of Man — Volume 1 The fundamental embryonic processes of the cleavage of the ovum and the formation of the germinal layers have been very thoroughly studied in the last thirty years, and their real significance has been appreciated. The Evolution of Man — Volume 1 Their earliest source is the primary body-cavity, the simple space between the two primary germinal layers, which is either a relic of the segmentation-cavity, or is a subsequent formation. The Evolution of Man — Volume 2 The nucleus of the ovum, or the germinal vesicle, is thus pressed right to the surface of the globular ovum, and is embedded there in a small quantity of transparent matter, the so-called white yelk. The Evolution of Man — Volume 1 As a rule, the cells which compose the two primary germinal layers show appreciable differences even in the gastrula stage. The Evolution of Man — Volume 1 Its tread is composed of several cells, and is now commonly called the germinal disc. The Evolution of Man — Volume 1 Finally, we see that the cells which make up the primary germinal layers owe their origin in every case to the repeated cleavage of a single simple cell, the stem-cell or fertilised ovum. The Evolution of Man — Volume 1 Thus arose the primary germinal layers—the inner, alimentary, or vegetal layer, and the outer, covering, or animal layer. The Evolution of Man — Volume 2 Germinal area or germinal disk of the rabbit, with sole-shaped embryonic shield, magnified about ten times. The Evolution of Man — Volume 1 From this important point the formation of the middle germinal layer proceeds, between the two primary layers. The Evolution of Man — Volume 1 The important fold of the middle germinal layer that brings about the formation of the body-cavity spreads beyond the borders of the embryo over the whole germinative area. The Evolution of Man — Volume 1 This at once indicates the future lot of this germinal layer. The Evolution of Man — Volume 1 In both of them the ribs are formed from the middle germinal layer, and are, from the phylogenetic point of view, lower or ventral vertebral arches. The Evolution of Man — Volume 2 Wolff had, as Huxley showed, a clear presentiment of this cardinal theory, since he recognised small microscopic globules as the elementary parts out of which the germinal layers arose. The Evolution of Man — Volume 1 Until we admit this thesis we cannot understand the formation of the germinal layers in the mammal, and therefore in man. The Evolution of Man — Volume 1 He clearly enunciated the theory of germinal layers which Wolff had anticipated, and established the truth of Wolff's idea of a development of the complicated systems of organs out of simple leaf-shaped primitive structures. The Evolution of Man — Volume 1 Sometimes it has been called the germinal disk, sometimes the germinal spot, and usually the germinative area. The Evolution of Man — Volume 1 The manner in which these different systems of organs arise from the secondary germinal layers is essentially the same from the start in man as in all the other Vertebrates. The Evolution of Man — Volume 2 Oval germinal disk of the rabbit, magnified about ten times. The Evolution of Man — Volume 1 This part of the entoderm, which thus represents the first structure of the middle germinal layer, is shown darker than the rest of the inner germinal layer in Figures 1.79 to 1.82. The Evolution of Man — Volume 1 As the embryo grows at the expense of the food-yelk, the latter becomes smaller and smaller; it is completely surrounded by the germinal layers. The Evolution of Man — Volume 1 Hence the actual folding of the germinal layers and their conversion into tubes is not an original and primary, but a much later and tertiary, evolutionary process. The Evolution of Man — Volume 1 The germinal layers form a flat germinal disk, the borders of which join together and form closed tubes, separating from the central yelk-sac. The Evolution of Man — Volume 1 He built up the theory of germinal layers, as a whole and in detail, so clearly and solidly that it has been the starting-point of embryological research ever since. The Evolution of Man — Volume 1 The circular border of the germinal disk which connects the roof and floor of the segmentation-cavity corresponds to the border-zone at the equator of the amphibian ovum. The Evolution of Man — Volume 1 Are the germinal layers composed of cells, and what is their relation to the cells of the tissues that form later? The Evolution of Man — Volume 1 The ingenious operator succeeds in bringing into existence, by "evolution," all the various forms of living things by cutting up in different ways the germinal layers, bending and folding, tugging and splitting, and so on. The Evolution of Man — Volume 1 He showed that the two layers of cells from which the body of this zoophyte is developed correspond, both morphologically and physiologically, to the two original germinal layers of the vertebrate. The Evolution of Man — Volume 1 In 1867 and the following years the discovery of the germinal layers was extended to other groups of the invertebrates. The Evolution of Man — Volume 1 The animal cells produce the external, and the vegetal cells the internal, germinal layer. The Evolution of Man — Volume 1 What is the relation of the cells to the germinal layers? The Evolution of Man — Volume 1 All the best recent research in animal embryology has led to the confirmation and development of Baer and Remak's theory of the germinal layers. The Evolution of Man — Volume 1 These lowly organised animals do not form germinal layers, and therefore do not succeed in forming true tissue. The Evolution of Man — Volume 1 In the lower forms of this group the body consists throughout life merely of the primary germinal layers, with the cells sometimes more and sometimes less differentiated. The Evolution of Man — Volume 1 But this small white "germinal disk" is now further developed, and is really the gastrula of the chick. The Evolution of Man — Volume 1 The many new points of view and fresh ideas suggested by my gastraea theory and Hertwig's coelom theory led to the publication of a number of writings on the theory of germinal layers. The Evolution of Man — Volume 1 Hence, as far as the germinative area extends the germinal layer splits into the two plates we have already recognised in it, the outer skin-fibre layer and the inner gut-fibre layer. The Evolution of Man — Volume 1 Three diagrammatic transverse sections of the embryonic disk of the higher vertebrate, to show the origin of the tubular organs from the bending germinal layers. The Evolution of Man — Volume 1 The development of the multicellular organism from the ovum, and the formation of the germinal layers and the tissues, follow the same laws in man and all the higher animals. The Evolution of Man — Volume 1 The germinal disk of the hen's ovum at the beginning of gastrulation; A before incubation, B in the first hour of incubation. The Evolution of Man — Volume 1 This encloses a darker granule, the germinal spot, which shows a nucleolus. The Evolution of Man — Volume 1 In the ovum this is called the germinal spot. The Evolution of Man — Volume 1 It has always the same globular shape; the same characteristic membrane; the same transparent germinal vesicle with its dark germinal spot. The Evolution of Man — Volume 1 |
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