| 单词 | blood corpuscle |
| 例句 | Lillevan used monochrome, mostly gray or black on white, with pulsating red spheres — blood corpuscles? — when he showed a human silhouette. 2010-02-06T05:36:00Z Spermatozoa and blood corpuscles are single cells, and also have little water in them. Wait not in vain 2016-02-04T05:00:00Z Although it is true that at high altitudes there is less oxygen to breathe, the body rapidly protects itself by increasing the number of red blood corpuscles. Mount Everest the Reconnaissance, 1921 2012-04-12T02:00:28.417Z A tiny mass of bioplasm, in itself a living unit and having formative power, as a living white blood corpuscle; bioblast. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z That such organisms are the essential and direct causes of enthetic maladies by invading the human and other living bodies as parasites, consuming and disorganizing their tissues, blood corpuscles,20 etc. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z This is, briefly, that the blood corpuscles in man average one-thirty-three hundredths of an inch in diameter. The Chase of the Golden Plate 2012-02-27T03:00:13.060Z In the one case the red blood corpuscles are round, and without a nucleus; in the other they are oval and nucleated. Legal Lore Curiosities of Law and Lawyers 2012-01-17T03:00:20.443Z Under the microscope the blood corpuscles are identical in form and appearance; while those of the carnivora are clearly different from them. Scientific American, Vol. XXXVII.?No. 2. [New Series.], July 14, 1877 A Weekly Journal Of Practical Information, Art, Science, Mechanics, Chemistry, And Manufactures 2012-01-05T03:00:29.743Z See under Arterial. µ The blood consists of a liquid, the plasma, containing minute particles, the blood corpuscles. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z The liberated merozoites proceed to infect fresh blood corpuscles and a new endogenous cycle is started. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z When we cut our finger and admit foreign germs to our blood, some mysterious power causes millions of our blood corpuscles to be rushed to this spot, to destroy and devour the invading enemy. The Book of Life 2011-11-25T03:00:13.343Z The blood corpuscle of the tiny mouse is larger than that of the huge ox. The Seven Follies of Science [2nd ed.] A popular account of the most famous scientific impossibilities and the attempts which have been made to solve them. 2011-06-30T02:00:34.290Z Their red blood corpuscles and hemoglobin are distinctly below normal. Psychotherapy 2011-06-19T02:00:20.053Z This eye-piece is designed to facilitate the estimation of the relative numbers of red and white blood corpuscles in dry preparations. Microscopes and Accessory Apparatus Catalogue No. 40 2011-04-14T02:00:42.743Z At the same time, they are set free from the remains of the blood corpuscle. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z But those who survived were able to make in their blood-stream the substances known as anti-bodies, the "opsonins," to help the white blood corpuscles devour the germs. The Book of Life 2011-11-25T03:00:13.343Z The smallest blood corpuscle known is that of a species of small deer, and the largest is that of a lizard like reptile found in our southern waters—the amphiuma. The Seven Follies of Science [2nd ed.] A popular account of the most famous scientific impossibilities and the attempts which have been made to solve them. 2011-06-30T02:00:34.290Z The latter was a dangerous implement, but in no way responsible for the state of Pickering’s blood corpuscles. The Revellers 2011-02-26T03:00:50.133Z The corpuscles, just described, are known as the red blood corpuscles. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers In this type of illness the endogenous multiplication of the parasites is very great and rapid, and brings about an enormous diminution in the number of healthy red blood corpuscles. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z The only difference is that this meat is alive, there is a living blood-stream circulating through it, and several score billions of the body's own kind of germs, the blood corpuscles. The Book of Life 2011-11-25T03:00:13.343Z The character of the poison was first carefully investigated by Kobert, who showed that the Amanita extract has the power of laking or dissolving out the coloring matter from red blood corpuscles. Food Poisoning It is quickly absorbed into the blood, where its presence can be demonstrated especially in the white blood corpuscles. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" The oxygen is the food of the blood corpuscles; while the articles we eat and drink belong more particularly to the plasma of the blood. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers They rapidly penetrate into the blood corpuscles, in which they appear as small irregular, more or less amoeboid trophozoites. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 7 "Gyantse" to "Hallel" 2011-12-26T03:00:11.613Z Albuminous matters are not only the tissue-formers of the body; they also supply the vehicle for the oxygen, inasmuch as it is of such matters that the blood corpuscles are formed. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide Probably more important hygienically is the production of "foam" in "soda water" by saponin, a substance known to be injurious for red blood corpuscles. Food Poisoning A solution of .9 per cent. of NaCl is therefore isotonic to the contents of the red blood corpuscles, to the serum of the blood, and to the cells of the tissues. The Mechanism of Life Do not add water, for that will cause the blood corpuscles to disappear. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers Its opacity is due to the presence of a very large number of solid particles, the blood corpuscles, having a higher refractive index than that of the liquid in which they float. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" The more red blood corpuscles an animal possesses, the more oxygen can it take into its system, and the more easily and rapidly can it carry on the process of oxidation and develop heat. The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide Dissection showed the dissolution of innumerable blood corpuscles. Student's Hand-book of Mushrooms of America, Edible and Poisonous The method depends on the principle that solutions isotonic to the blood corpuscles and to the blood serum will not alter the volume of the blood corpuscles, whereas hypertonic solutions decrease that volume. The Mechanism of Life Judge Longenecker proceeded to ridicule the testimony of the expert on the question of hair and blood corpuscles. The Crime of the Century or, The Assassination of Dr. Patrick Henry Cronin If glycogen is present in solution in the plasma it is there in very small quantities only, and has probably arisen from the destruction of the white blood corpuscles, since some leucocytes undoubtedly contain glycogen. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" This extra supply serves to wash away the offending substance, and at the same time it brings more white blood corpuscles, one function of which is to destroy bacteria. American Red Cross Text-Book on Home Hygiene and Care of the Sick The alteration of the red blood corpuscles to black pigment may be due to feeble circulation in the superficial capillaries. The Galaxy, June 1877 Vol. XXIII.—June, 1877.—No. 6. The blood is coloured red by haemoglobin in blood corpuscles. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton" Normally, says Dr. Geoffrey Keynes, a person has fifteen thousand millions of blood corpuscles circulating in his body. Punch, or the London Charivari, Volume 158, June 2, 1920 This ferment can therefore be derived from most tissues, including also the white blood corpuscles and the platelets. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" Some bacteria and some white blood corpuscles are killed, and substances are formed which liquify these dead cells and also some cells of the surrounding tissues. American Red Cross Text-Book on Home Hygiene and Care of the Sick Number of blood corpuscles in a cubic millimeter of blood, man, 4½ to 5 millions; woman, 4 to 4½ millions. Woman under socialism The larger body on the right b is a white blood corpuscle, also stained with methylene blue. Special Report on Diseases of Cattle Blessing is at present engaged in counting blood corpuscles again, and estimating amounts of hæmoglobin. Farthest North Being the Record of a Voyage of Exploration of the Ship 'Fram' 1893-1896 Vol. I Certain mesodermic cells, resembling those of the connective tissue, collect masses of haemoglobin, and from these elaborate red blood corpuscles which thus come to lie in the fluid part of the cell. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" No two red blood corpuscles coming from the same blood stream are precisely alike. Death Points a Finger On the places of origin of the white blood corpuscles 81 α. Histology of the Blood Normal and Pathological The round bodies are blood corpuscles, also stained artificially. Special Report on Diseases of Cattle That is why you can see blood corpuscles and germs and cells through a microscope, when you cannot see them at all with your naked eye. Common Science The only difficulty is that blood corpuscles get out of shape, under certain circumstances, and are no longer either oval or round. The Harmsworth Magazine, v. 1, 1898-1899, No. 2 If digestion is a chemical process, the chemist ought to be able to take bread and meat and make a red blood corpuscle, which he can not do. The Christian Foundation, Or, Scientific and Religious Journal, Volume I, No. 11, November, 1880 He suggested that one may estimate the quantity of blood by comparing the numbers of the red blood corpuscles before and after copious sweating. Histology of the Blood Normal and Pathological Nature of the disease.—Texas fever is caused by an organism which lives within the red blood corpuscles and breaks them up. Special Report on Diseases of Cattle The free oxygen is carried to the different parts of our bodies by the red blood corpuscles that float in the liquid part of the blood. Common Science Individually, the blood corpuscle is just like a tiny round biscuit, and measures 1/3200 to 1/4000 of an inch across its face. The Harmsworth Magazine, v. 1, 1898-1899, No. 2 Lumbar puncture may reveal the presence of blood corpuscles in the cerebro-spinal fluid, and increase in the tension of the fluid. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Thus, for example, in a one-sided paralytic, the capillary blood is different on the two sides; and congestion, cold, and so forth raise the number of red blood corpuscles. Histology of the Blood Normal and Pathological If, however, the blood corpuscles are counted from time to time a gradually diminishing number will be found, and after several weeks only about one-fifth or one-sixth of the normal number are present. Special Report on Diseases of Cattle Especially rich in potash salts are the blood corpuscles, which contain about ten times the amount contained in the serum. Manures and the principles of manuring That is impossible; but it acts upon the nerve centres and upon the blood corpuscles in such a wonderful way that there is no degeneration. Montezuma's Castle and Other Weird Tales The fundamental injury is not due, as in the case of muscarine, to a paralysis of the nerves controlling the action of the heart, but to a direct effect on the blood corpuscles. Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. On the one hand, the diminished oxygen tension in the upper air was regarded as the immediate cause of the increase of red blood corpuscles. Histology of the Blood Normal and Pathological The red blood corpuscles contain no nuclei except at certain periods of the development of the embyro. The World's Greatest Books — Volume 15 — Science Some of them seemed to be simply swollen red blood corpuscles, ready to burst, or as it were, suppurate. Report on Surgery to the Santa Clara County Medical Society The germs feed inside the red blood corpuscles and at regular intervals they destroy a large number of these causing a chill which is followed by fever and a new supply of corpuscles is produced. An Elementary Study of Insects Serum: the fluid in which the blood corpuscles float or are suspended. Explanation of Terms Used in Entomology Apart even from these extreme forms, 1,000 red blood corpuscles of anæmic blood are not physiologically equivalent to the same number of normal blood corpuscles. Histology of the Blood Normal and Pathological But most cases of so-called pyæmia are really cases in which there is an increase of white blood corpuscles, and it is doubtful whether such a condition as pus in the blood does ever occur. The World's Greatest Books — Volume 15 — Science It was on the eve of the discovery of the function of the white blood corpuscles, which clears the way for indefinite advance in medicine. Human Traits and their Social Significance In this red marrow are numerous large colourless cells, which appear to form within their substance and then liberate red blood corpuscles. Text Book of Biology, Part 1: Vertebrata When human blood is transfused into a dog or even a monkey, it behaves in a hostile way to the other blood, bringing about a destruction of the red blood corpuscles. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told It is therefore occasionally desirable to supplement the data of the count by the estimation of the size of the red blood corpuscles individually. Histology of the Blood Normal and Pathological In the early stages of its development, a white blood corpuscle is seen to modify by division; but in fully-developed blood such division is never seen. The World's Greatest Books — Volume 15 — Science Women have very definitely fewer red blood corpuscles than men, and a smaller proportion of hæmoglobin, and their blood is more watery. Woman and Womanhood A Search for Principles The red blood corpuscles of the rabbit, it may be added, are nucleated for a considerable portion of embryonic life. Text Book of Biology, Part 1: Vertebrata LEUKAEMIA.—An affection characterized by persistent increase in the white blood corpuscles, associated with changes, either alone or together, in the spleen, lymphatic glands and bone-marrow. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada For if one tests the blood of an anæmic patient under the microscope for iron one finds the iron reaction in numerous red blood corpuscles. Histology of the Blood Normal and Pathological How many kinds of blood corpuscles are there? First Book in Physiology and Hygiene For example, the fluid part of the blood is the cytoblastema, the blood corpuscles being the cells. 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 Through connective tissues wander the phagocytes, cells that are difficult to distinguish, if really distinct, from the white blood corpuscles. Text Book of Biology, Part 1: Vertebrata We may see on the screen the fight of the bacteria with the microscopically small blood corpuscles in the blood stream of a diseased animal. The Photoplay A Psychological Study Three sharply defined layers are then visible, the layer of oil above, the plasma layer, and the layer of the red blood corpuscles. Histology of the Blood Normal and Pathological The Blood Corpuscles.—If you should look at a tiny drop of blood through such a microscope, you would find it to be full of very small, round objects called blood corpuscles. First Book in Physiology and Hygiene On each side of the large ducts is a vein filled with blood corpuscles. Disease and Its Causes Ciliated epithelium is commoner and occurs more abundantly than in the rabbit, in the roof of the mouth for instance, and its red blood corpuscles are much larger, oval, and nucleated. Text Book of Biology, Part 1: Vertebrata Leukaemia is a disease marked by an excessive and permanent increase in the white blood corpuscles and consequent progressive anæmia. The Chemistry of Food and Nutrition The prognostic importance of the enumeration of the white blood corpuscles. Histology of the Blood Normal and Pathological The blood contains very small objects called blood corpuscles. First Book in Physiology and Hygiene The white and red blood corpuscles can be distinguished, the red appearing as oval discs and the white as colorless spheres. Disease and Its Causes In the blood, while it is circulating briskly in its vessels, there are distributed through it, without contact with each other, the millions of oxygen carriers called blood corpuscles. Scientific American Supplement, No. 829, November 21, 1891 By "body tissue in general" is understood the body with the total sum of its cells—especially the red blood corpuscles—and their various aggregations. Valere Aude Dare to Be Healthy, Or, The Light of Physical Regeneration Besides these he describes a case of lymphosarcoma of the neck with metastases in the bone-marrow, in which an unexampled increase of the white blood corpuscles, and especially of the eosinophil cells was found. Histology of the Blood Normal and Pathological The red blood corpuscles in the capillaries give up their oxygen, and the blood receives in its stead a poisonous substance called carbonic-acid gas. First Book in Physiology and Hygiene The organism lives within or on the surface of the red blood corpuscles. Disease and Its Causes Besides these, the protoplasm contains a generally grayish homogeneous nucleus as large as one or two red blood corpuscles. Scientific American Supplement, No. 787, January 31, 1891 Chemical analysis determines norms of blood composition, and microscopic investigation determines the average number of blood corpuscles per cubic centimeter. Analyzing Character And these estimations are necessary in order to prove indisputably the active emigration of the white blood corpuscles into the exudation, and to exclude their purely mechanical passage, per rhexin, from the blood-stream. Histology of the Blood Normal and Pathological This is the way the stray white blood corpuscles get back into the blood. First Book in Physiology and Hygiene The red blood corpuscles are not fully developed and charged with their normal supply of life-giving oxygen. Composition-Rhetoric They vary in size, and are often swallowed by the red blood corpuscles in which they grow, and finally develop into the above mentioned amœboid bodies. Scientific American Supplement, No. 787, January 31, 1891 As the total bearing of any animal is sedate and tranquil compared with the agitation of its blood corpuscles, so is the earth a sedate and tranquil being compared with the animals whom she supports. A Pluralistic Universe Hibbert Lectures at Manchester College on the Present Situation in Philosophy Diminution of the white blood corpuscles plays—comparatively with their increase—a very unimportant rôle in clinical observations. Histology of the Blood Normal and Pathological The object of the lymphatics is to remove from the tissues and return to the general circulation the lymph and white blood corpuscles which escape through the walls of the capillaries. First Book in Physiology and Hygiene Professor Theodore G. Wormley, in the new edition of his work, gives the following sizes of blood corpuscles, as measured by himself and Professor Gulliver. Scientific American Supplement, No. 514, November 7, 1885 In order that these syntheses might make their appearance in the excided kidney, the presence of the blood corpuscles was not necessary, though, indeed, the presence of oxygen in the blood was indispensable. Scientific American Supplement, No. 586, March 26, 1887 So is the microscopic examination for blood corpuscles. A Study in Scarlet Eosinophil cells and nucleated red blood corpuscles were entirely absent. Histology of the Blood Normal and Pathological Some of the white blood corpuscles escape from the blood-vessels through the thin walls of the capillaries. First Book in Physiology and Hygiene The oxygen contained in that fluid, and destined for consumption by the tissues, is retained by the influence of alcohol in its combination with the haemoglobin or colouring matter of the red blood corpuscles. The Project Gutenberg Encyclopedia Volume 1 of 28 The red color is due to the union of oxygen with the iron in the blood corpuscles, forming rust, roughly speaking. Maintaining Health Formerly Health and Efficiency Think of the miles of arteries and veins, of capillaries and nerves; of the blood, with the millions of millions of blood corpuscles, each a microcosm in itself. The Pleasures of Life First, it depends upon the relative number of red blood corpuscles in the blood; inasmuch as the transfusion of normal blood into normal blood, for example, would produce no alteration in the count. Histology of the Blood Normal and Pathological We have already learned that the oxygen taken in by the lungs is carried to the various parts of the body by the little blood corpuscles. First Book in Physiology and Hygiene There begins a struggle between the invaders and what may be called the reserves of the organism, consisting of the white blood corpuscles, which undergo a great augmentation in number. Beacon Lights of History, Volume 14 The New Era; A Supplementary Volume, by Recent Writers, as Set Forth in the Preface and Table of Contents It appears to take some part in the formation of blood corpuscles. A Practical Physiology At the height of the fever the spirillum appears in the blood as an attenuated, worm-like creature, actively struggling and squirming among the blood corpuscles. Sketches of the East Africa Campaign It is advantageous to use a diluting fluid which destroys the red blood corpuscles, but which brings out the nuclei of the white corpuscles, so that the latter are more easily recognised. Histology of the Blood Normal and Pathological Alcohol and tobacco injure the blood corpuscles so that they cannot take up the oxygen from the air which the lungs receive. First Book in Physiology and Hygiene On blood corpuscles, see 'Quarterly Journal of Microscopical Science,' April 1874, p. Insectivorous Plants A moderately powerful microscope is necessary to examine blood corpuscles. A Practical Physiology Whilst the blood corpuscles carry off, that is, take possession of all the oxygen, the life and development of the parasite become extremely difficult or impossible. The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology) We think therefore that from the material before us we may draw the conclusion, that after long residence in elevated districts the number of red blood corpuscles is absolutely raised. Histology of the Blood Normal and Pathological It has even been suggested that before the studies are over photographs of blood corpuscles may be used to identify criminals, almost like fingerprints. The Ear in the Wall In and out they made their way among the blood corpuscles each like a dart aimed at life itself. The Romance of Elaine Sequel to "Exploits of Elaine" Thus, step by step, the use of alcoholics impairs the functions of the blood corpuscles, perverts nutrition, and slowly poisons the blood. A Practical Physiology I seem to have observed as a general principle, that, provided the blood corpuscles are in good physiological condition it is difficult for aerobic parasites to develop in the blood. The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology) Hence the necessity of closely correlating the result of the count of red blood corpuscles with the hæmoglobinometric and histological values. Histology of the Blood Normal and Pathological Opsonin is what you butter the disease germs with to make your white blood corpuscles eat them. The Doctor's Dilemma And even now, about all we know is that autopsical research reveals absolutely nothing but the general disorganisation of the blood corpuscles. The Dream Doctor Through these the white blood corpuscles squeeze their mobile bodies and work their way through the intervening tissues toward the affected area. Nature Cure I have always thought that this is to be explained by a kind of struggle between the affinity of the blood corpuscles for oxygen and that belonging to the parasite in cultures. The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology) A further procedure for obtaining indirect evidence of the amount of hæmoglobin is the determination of the volume of blood corpuscles in 100 parts of total blood. Histology of the Blood Normal and Pathological If, as in some fevers, the temperature rises above about 105 degrees F., the blood corpuscles are killed, and the person dies. An Introduction to Chemical Science It shows normal blood corpuscles as they are in motion in the blood of a healthy man. The Dream Doctor This faculty of the white blood corpuscles to apprehend the presence and exact location of the enemy has been ascribed to chemical attraction and is called ~chemotaxis.~ Nature Cure If they live we can grow, They ply in our streets as blood corpuscles ply In their own little veins. The Forerunner, Volume 1 (1909-1910) Limbeck, that in catarrhal jaundice a considerable increase of volume of the red blood corpuscles comes to pass under the influence of the salts of the bile acids. Histology of the Blood Normal and Pathological If you can persuade your friend to try the effects of carbonate of ammonia on the aggregation of the white blood corpuscles, I should very much like to hear the result. Life and Letters of Charles Darwin — Volume 2 Notice how the blood corpuscles in this infected blood have lost their smooth, glossy appearance, become granular and incapable of nourishing the tissues. The Dream Doctor The army of defense is made up of the white blood corpuscles or leukocytes and of connective tissue cells which separate themselves from the neighboring tissues. Nature Cure It is well known that the blood corpuscles, as a rule, undergo cytolysis if injected into the blood of an animal which belongs to a different family. Darwin and Modern Science A few methods still remain to be mentioned which test the resistance of the red blood corpuscles to external injuries of various kinds. Histology of the Blood Normal and Pathological The same thing seemed to be true of certain cells of higher organisms, as the blood corpuscles. A History of Science — Volume 4 Reference has been made in an earlier chapter to the microscopic investigations of Marcello Malpighi, who, as there related, was the first observer who actually saw blood corpuscles pass through the capillaries. A History of Science — Volume 2 I, for my part, want some cold winter weather every year to stir up the lazy blood corpuscles, to set the blood bounding through the system and to freeze out the microbes. Nature Cure The polychromatophil degeneration can frequently be observed in nucleated red blood corpuscles, particularly in the megaloblasts. Histology of the Blood Normal and Pathological The white blood corpuscles are first counted in any desired field with the diaphragm no. Histology of the Blood Normal and Pathological And similarly for the nucleated red blood corpuscles of lower animals. Histology of the Blood Normal and Pathological Askanazy asserts that the nucleated red blood corpuscles of the bone-marrow, which he was able to investigate in a case of empyema, shew, immediately after the resection of the ribs, complete polychromatophilia. Histology of the Blood Normal and Pathological This stimulating effect of cold water upon the organism has been proved by counting the number of red blood corpuscles in a drop of blood before and after the application of the cold "blitzguss." Nature Cure By this name a change of the blood is denoted, where along with normal red blood corpuscles, larger, smaller and minute red elements are found in greater or less number. Histology of the Blood Normal and Pathological Formerly granules, apparently basophil, were frequently observed in the white blood corpuscles, particularly in the region of the nucleus. Histology of the Blood Normal and Pathological For by the division of a larger blood corpuscle into a series of homologous smaller ones, the respiratory surface is considerably increased. Histology of the Blood Normal and Pathological Since the fundamental work of Neumann and Bizzozero, the nucleated forms have been generally recognised as the young stages of the normal red blood corpuscles. Histology of the Blood Normal and Pathological Blood counts before and after a cold-water application show a very marked increase in the number of red and white blood corpuscles. Nature Cure These are 2-4 times as large as normal red blood corpuscles. Histology of the Blood Normal and Pathological The nuclei are greenish, the red blood corpuscles orange, the acidophil granulation copper red, the neutrophil violet. Histology of the Blood Normal and Pathological And as in addition to this occurrence the number of blood corpuscles was nearly doubled, v. Histology of the Blood Normal and Pathological Estimation of the absolute number of red blood corpuscles. Histology of the Blood Normal and Pathological This constant difference cannot be a chance result, but must depend on some constant law: in pernicious anæmia excessively large blood corpuscles are produced. Histology of the Blood Normal and Pathological Since the fresh formation of red blood corpuscles by means of the megaloblastic method is clearly much slower. Histology of the Blood Normal and Pathological The stain, which only requires a small fixation, is completed in a few minutes, and colours the nuclei green, the red blood corpuscles red, the protoplasm of the leucocytes fuchsin colour. Histology of the Blood Normal and Pathological The physiological importance of the white blood corpuscles is so many sided that they form the most interesting chapter of the subject. Histology of the Blood Normal and Pathological Hence in contradistinction to the red blood corpuscles, their small number is fully compensated by their exceptional power of regeneration. Histology of the Blood Normal and Pathological There now suddenly appears an endeavour to bring all the white blood corpuscles into one class, and to regard the different forms as different stages merely of the same kind of cells. Histology of the Blood Normal and Pathological These are small cells, as a rule approximating in size to the red blood corpuscles. Histology of the Blood Normal and Pathological By the use of better methods the red blood corpuscles which have taken on the iodine stain stand out, without having undergone any morphological change. Histology of the Blood Normal and Pathological Generally speaking, these cells, as above mentioned, are distinguished in the blood of the healthy adult by their small size, approximating to that of the red blood corpuscles. Histology of the Blood Normal and Pathological They must be of significance, in particular for the question of transitory hyperleucocytosis, which is by some referred to a destruction, by others to an altered localisation of the white blood corpuscles. Histology of the Blood Normal and Pathological Possibly they form an early stage of development of the nucleated red blood corpuscles, as the deeply staining and homogeneous protoplasm seems to indicate. Histology of the Blood Normal and Pathological The question whether the spleen produces white blood corpuscles has played a large part from the earliest times of hæmatology. Histology of the Blood Normal and Pathological The white blood corpuscles are only slightly stained. Histology of the Blood Normal and Pathological Endeavours were first made to investigate the participation of the spleen in the formation of the white blood corpuscles by counting the white corpuscles in the afferent and efferent vessels of the spleen. Histology of the Blood Normal and Pathological The number of the vacuole containing cells is 15-20% of the colourless blood corpuscles. Histology of the Blood Normal and Pathological The question of the relation of the spleen to the fresh formation of red blood corpuscles is a problem of comparative anatomy. Histology of the Blood Normal and Pathological In the spleen of normal mice nucleated red blood corpuscles are seen in relatively large numbers; in the rabbit they are less numerous and often only to be found with difficulty. Histology of the Blood Normal and Pathological All parts containing glycogen on the contrary, whether the glycogen be in the white blood corpuscles, or extracellular, are characterised by a beautiful mahogany brown colour. Histology of the Blood Normal and Pathological In the human spleen nucleated red blood corpuscles are not to be found normally or in cases of severe anæmia, but exclusively in leukæmic diseases. Histology of the Blood Normal and Pathological In guinea-pigs he found that the spleen acts largely as a scavenger of the red blood corpuscles; in rabbits very slightly. Histology of the Blood Normal and Pathological It is difficult for the advocates of the view that the lymphocytes are the early stages of all white blood corpuscles to reconcile it with these facts. Histology of the Blood Normal and Pathological The spleen and lymphatic glands were at first regarded as the sole places of formation of the blood corpuscles. Histology of the Blood Normal and Pathological In satisfactorily prepared dry specimens the red blood corpuscles keep their natural size and shape, and their biconcavity is plainly seen. Histology of the Blood Normal and Pathological We are unaware of a second place of formation of the red blood corpuscles in man. Histology of the Blood Normal and Pathological The type which the normal blood formation follows in adults, and the deviations therefrom shewn in pernicious anæmia, have been described in the chapter on the red blood corpuscles. Histology of the Blood Normal and Pathological In this section we have therefore to deal chiefly with the white blood corpuscles and their connection with the bone-marrow. Histology of the Blood Normal and Pathological Nothnagel conjectured that the formation of the scanty nucleated red blood corpuscles occurred vicariously in the spleen, that of the leucocytes in the lymph glands. Histology of the Blood Normal and Pathological To appreciate correctly pathological conditions, it must always be borne in mind, that in normal blood the individual red blood corpuscles are by no means of the same value. Histology of the Blood Normal and Pathological We define lymphocytosis as an increase of the lymphocytes of the blood; Fränkel like Uskoff regards it as the emigration of the young forms of the white blood corpuscles into the blood. Histology of the Blood Normal and Pathological After this came the phase of increase of the white blood corpuscles; and here too exclusively of the polynuclear cells; the polynuclear leucocytosis. Histology of the Blood Normal and Pathological The swelling of the lymphatic glands has as a consequence an increase of the lymph corpuscles in the lymph, and through this an increase again of the colourless blood corpuscles. Histology of the Blood Normal and Pathological Corresponding with the increase of neutrophil blood corpuscles alone, there is always a relative decrease of lymphocytes, often to 2% and even lower. Histology of the Blood Normal and Pathological This change in the red blood corpuscles, first described by Ehrlich, to which the second name was given later by Gabritschewski, is only recognisable in stained preparations. Histology of the Blood Normal and Pathological In them the absolute number of white blood corpuscles is diminished, and chiefly at the expense of the polynuclear neutrophil cells. Histology of the Blood Normal and Pathological In general the majority of blood poisons, potassium chlorate, the derivatives of phenyl hydrazin, pyrodin, phenacetin call forth even in man a considerable increase of the leucocytes besides the destruction of the red blood corpuscles. Histology of the Blood Normal and Pathological The microscopic picture of myelogenic leukæmia, disregarding the almost constant increase of the white blood corpuscles, has a varied, highly inconstant character. Histology of the Blood Normal and Pathological The most weighty objection to be raised against an active emigration of the bone-marrow cells is derived from the behaviour of the white blood corpuscles on the warm microscopic stage. Histology of the Blood Normal and Pathological Ehrlich put forward the theory, that this remarkable behaviour towards dyes indicates a gradual death of the red blood corpuscles, that is of the old forms, leading to a coagulation necrosis of the discoplasm. Histology of the Blood Normal and Pathological This observation does not prove the point, for numerical estimation of the proportion of white to red blood corpuscles in the exudation was not made. Histology of the Blood Normal and Pathological For if the white blood corpuscles were mechanically carried out of the bone-marrow as a whole, it is incomprehensible that a bacterial infection should alter this process to a polynuclear leucocytosis. Histology of the Blood Normal and Pathological In one of these, out of ten cover-glass preparations, not a single white blood corpuscle was found, and in the second only one example. Histology of the Blood Normal and Pathological Ehrlich explained these phenomena by a deficient activity of the bone-marrow, which found expression in the insufficient formation of red and white blood corpuscles. Histology of the Blood Normal and Pathological That is, precisely in conditions, where there can be least question of a fresh production of red blood corpuscles. Histology of the Blood Normal and Pathological The apparatus usually used for counting the blood corpuscles is, for this reason, deceptive; for the platelets rapidly cling to its walls and remain there. Histology of the Blood Normal and Pathological |
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