| 单词 | contractile |
| 例句 | The research team found that some of the proteins in the muscle cells act as a temperature sensor, and that heating affects skeletal and cardiac contractile systems differently. New evidence explains how warming-up enhances muscle performance 2023-10-25T04:00:00Z These organisms exhibit a single, apical flagellum that is surrounded by a contractile collar composed of microvilli. Fundamentals of Biology 2015-01-01T00:00:00Z For example, in the mechanical work of muscle contraction, ATP supplies energy to move the contractile muscle proteins. Concepts of Biology 2013-04-25T00:00:00Z In a paper published today in Nature, researchers report refashioning Photorhabdus’s syringe—called a contractile injection system—so that it can attach to human cells and inject large proteins into them. Bacterial ‘Nanosyringe’ Could Deliver Gene Therapy to Human Cells 2023-03-29T04:00:00Z Furthermore, declaring a single, electrically active and contractile organ, or the contractile cells it comes from, the stand-alone determinant of personhood is simply not valid. Antiabortion Heartbeat Bills Are neither Morally nor Legally Sound 2023-01-23T05:00:00Z Proteins may be structural, regulatory, contractile, or protective; they may serve in transport, storage, or membranes; or they may be toxins or enzymes. Biology for AP Courses 2022-06-09T00:00:00Z Muscle is contractile tissue and is derived from the mesodermal layer of embryonic germ cells. Fundamentals of Biology 2015-01-01T00:00:00Z The function of the nerve cells is to carry signals from sensory cells and to contractile cells. Concepts of Biology 2013-04-25T00:00:00Z Cells remove water by means of a contractile vacuole and exocytosis. Miller & Levine Biology 2018-01-01T00:00:00Z Proteins can function as enzymes, hormones, contractile fibers, cytoskeleton rods, and much more. Environmental Biology 2018-09-06T00:00:00Z For example, contractile vacuoles are common in microorganisms; flame cells and nephridia in certain species and worms, and Malpighian tubules in insects are other examples of excretory systems. Biology for AP Courses 2022-06-09T00:00:00Z These animals possess a ring of muscles lining the dome of the body, which provides the contractile force required to swim through water. Fundamentals of Biology 2015-01-01T00:00:00Z They are contractile, meaning they can shorten and generate a pulling force. Anatomy and Physiology 2013-06-19T00:00:00Z The infected heart muscle cells had a series of genetic and structural defects in their contractile machinery8. COVID’s Cardiac Connection 2021-12-02T05:00:00Z Second, expression of components of the actomyosin cytoskeleton — a network of protein filaments that generates contractile forces in cells5 — was increased. Stretch exercises for stem cells expand the skin 2020-07-28T04:00:00Z The simplest system is that of contractile vacuoles present in microorganisms. Biology for AP Courses 2022-06-09T00:00:00Z They show bilateral symmetry and remarkable contractile properties. Fundamentals of Biology 2015-01-01T00:00:00Z If the fracture site is not properly immobilized with a cast or splint, contractile activity by these muscles can cause improper alignment of the broken bones during healing. Anatomy and Physiology 2013-06-19T00:00:00Z Under the microscope, the researchers could see that contractile filaments known as sarcomeres were all sliced up. COVID’s Cardiac Connection 2021-12-02T05:00:00Z These contractile cells secrete various proteins into their surroundings, contributing to the extracellular matrix. Tipping the balance 2018-12-18T05:00:00Z Which statement about contractile vacuoles in microorganisms is true? Biology for AP Courses 2022-06-09T00:00:00Z After valve repair in healthy hearts, the contractile cells typically enter a deactivated state called quiescence, or are cleared from the region by programmed cell death. Taking bioengineered heart valves from faulty to functional 2018-07-01T04:00:00Z A sarcomere is the smallest contractile portion of a muscle. Anatomy and Physiology 2013-06-19T00:00:00Z Human engineered heart tissue: analysis of contractile force. Advanced maturation of human cardiac tissue grown from pluripotent stem cells 2018-04-03T04:00:00Z It's possible, the scientists suggested, that the capsule wall contains contractile fibers. Marine Microbes Exchange Fire With Elaborate Subcellular Weapons [Video] 2018-02-11T05:00:00Z How do contractile vacuoles work as excretory systems in microorganisms? Biology for AP Courses 2022-06-09T00:00:00Z Finally, although many recipient cells infiltrated the valves, few of these were activated contractile cells after one year. Taking bioengineered heart valves from faulty to functional 2018-07-01T04:00:00Z Differences among the three muscle types include the microscopic organization of their contractile proteins—actin and myosin. Anatomy and Physiology 2013-06-19T00:00:00Z Whereas muscle is often viewed as a strictly contractile tissue, these findings reveal that different muscle types have distinct and specific regulatory roles in wound signalling and patterning to enable regeneration. Orthogonal muscle fibres have different instructive roles in planarian regeneration 2017-11-21T05:00:00Z The contracted sheath was much shorter, slightly fatter, covered by helical ridges, and empty – just as you’d expect from a contractile injection system. Bacteria Stab Amoebas to Escape Being Eaten 2017-10-09T04:00:00Z For example, in the mechanical work of muscle contraction, ATP supplies the energy to move the contractile muscle proteins. Biology for AP Courses 2022-06-09T00:00:00Z "What we found was that there was really no difference in the fundamental contractile properties of chimp muscle fibres and human muscle fibres, for any of the individual fibres," Dr O'Neill said. Chimps' strength secrets explained - BBC News 2017-06-26T04:00:00Z It is the arrival of Ca++ in the sarcoplasm that initiates contraction of the muscle fiber by its contractile units, or sarcomeres. Anatomy and Physiology 2013-06-19T00:00:00Z As befits a robot that relies on the principles of origami, it’s made of paper, layered with a circuit board and “a contractile layer of prestretched polystyrene,” as the paper describes. Science Creates a Self-Folding Origami Robot (Made of Shrinky Dinks) 2014-08-14T04:00:00Z Some bacteria that employ contractile injection systems release their weapons into the environment, where they float around before binding to their target and firing. Bacteria Stab Amoebas to Escape Being Eaten 2017-10-09T04:00:00Z A contractile ring composed of actin filaments forms just inside the plasma membrane at the former metaphase plate. Biology for AP Courses 2022-06-09T00:00:00Z Finally, at :51 you see a special star-burst shaped organelle called the contractile vacuole in action. Everyone Poops, Even Paramecium 2014-05-08T13:30:27Z The striation is due to the regular alternation of the contractile proteins actin and myosin, along with the structural proteins that couple the contractile proteins to connective tissues. Anatomy and Physiology 2013-06-19T00:00:00Z In another page out of the medieval bestiary, the skunk cabbage has contractile roots. City Room: Early Bloomer, Aptly Named 2014-04-19T23:51:24Z In situ architecture, function, and evolution of a contractile injection system. Bacteria Stab Amoebas to Escape Being Eaten 2017-10-09T04:00:00Z Paramecia are unicellular protists that have contractile vacuoles to remove excess intracellular water. Biology for AP Courses 2022-06-09T00:00:00Z Most of these blood vessels are tiny capillaries surrounded by contractile supporting cells called pericytes. Vascular biology: Brain vessels squeezed to death 2014-04-04T18:23:16.270Z Cardiac muscle forms the contractile walls of the heart. Anatomy and Physiology 2013-06-19T00:00:00Z Six weeks after treatment, we assessed cardiac contractile function using multimodality imaging including magnetic resonance imaging, which demonstrated ~18% increase in ejection fraction of -treated pigs and ~4% decrease in control pigs. [Research Articles] Cyclin A2 Induces Cardiac Regeneration After Myocardial Infarction Through Cytokinesis of Adult Cardiomyocytes 2014-02-19T19:26:06.145Z When they examined Amoebophilus bacteria purified from their hosts under the microscope, they saw that 50% contained what appeared to be a contractile injection system anchored to the inner membrane. Bacteria Stab Amoebas to Escape Being Eaten 2017-10-09T04:00:00Z The rate at which a Paramecium's contractile vacuole contracted to pump out excess water was determined and plotted against osmolarity of the solutions, as shown in the graph. Biology for AP Courses 2022-06-09T00:00:00Z However, whether its underlying mechanism is based on flight muscle–specific features or on preexisting contractile functions is unknown. [Report] The Molecular Trigger for High-Speed Wing Beats in a Bee 2013-09-12T17:57:14.123Z It forms the contractile component of the digestive, urinary, and reproductive systems as well as the airways and arteries. Anatomy and Physiology 2013-06-19T00:00:00Z “And then they just start to put on protein,” Dr. Post said, and organize themselves into contractile elements. Engineering the $325,000 In-Vitro Burger 2013-05-12T18:45:18Z In some protists, the contractile vacuole simply fuses with the membrane and expels its contents, but there are also plenty of variations on the subject. Frontonia: dissecting a ciliate appetite 2012-11-20T14:45:03.977Z The contractile vacuole is less efficient in solutions of high osmolarity because of the reduced amount of ATP produced from cellular respiration. Biology for AP Courses 2022-06-09T00:00:00Z Biomechanics is a likely contributor, with forces exerted by the environment as well as by contractile and protrusive activities between cells. [Introduction to Special Issue] Introduction: Forceful Thinking 2012-10-11T17:55:48.607Z Muscles and their tendons acting across a joint can also increase their contractile strength when needed, thus providing indirect support for the joint. Anatomy and Physiology 2013-06-19T00:00:00Z "So you lose your contractile function and it causes electrical instability, too." UW researchers see work as step toward regenerating human heart 2012-08-08T02:47:12Z In this case it was considered that the state of trance had been brought about by the excessive contractile action of the nervous centres. The Contemporary Review, Volume 36, November 1879 2012-04-25T02:01:12.830Z Actin is a globular contractile protein that interacts with myosin for muscle contraction. Biology for AP Courses 2022-06-09T00:00:00Z One or more contractile vacuoles may protrude from the ectoplasm. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z The junctions are characterized by the presence of the contractile protein actin located on the cytoplasmic surface of the cell membrane. Anatomy and Physiology 2013-06-19T00:00:00Z The muscles are contractile, and the tendons elastic. The Catholic World; Volume I, Issues 1-6 A Monthly Eclectic Magazine 2012-04-05T02:00:40.207Z In the current Finnish study, after volunteers donned the shorts, the electrodes began constantly tracking contractile activity in the quadriceps and hamstring muscles, two of the largest sets of muscles in the body. Well: Phys Ed: Meet the Active Couch Potato 2012-04-04T04:01:40Z For example, paramecia and amoebas, which are protists that lack cell walls, have contractile vacuoles. Biology for AP Courses 2022-06-09T00:00:00Z Dolan believes the phenomena of the cough or kinks to be due, as suggested by Laennec, to a "spasmodic condition of the muscular or contractile fibres of the bronchi and their branches." A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z In some muscles, the largest motor units may generate a contractile force of 50 times more than the smallest motor units in the muscle. Anatomy and Physiology 2013-06-19T00:00:00Z A secondary symptom, a drawing or contractile feeling of the muscles of the side of the nose affected with catarrh, 1a.—Itching in the nares, 1a. New, Old, and Forgotten Remedies: Papers by Many Writers 2012-02-05T03:00:10Z In the ability of Amoeba to contract into a spherical mass, and in the presence in its protoplasm of the contractile vacuole, we see another type of spontaneous movement—contractility—of the protoplasm. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z For some hours after death the limbs retain their contractile power. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z The thrombus not only tends to become enlarged by further depositions of material from the blood, but it also tends to become diminished in size from the contractile properties of its fibrinous constituent. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Even if a muscle is not producing movement, it is contracted a small amount to maintain its contractile proteins and produce muscle tone. Anatomy and Physiology 2013-06-19T00:00:00Z The walls of the veins are thinner than those of the arteries; they contain much less elastic and muscular tissue, and are, therefore, more flaccid and less contractile. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z This fibrillation is foreshadowed in the contractile regions of many Protozoa, e.g. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" 2012-01-31T03:00:17.257Z I. It is to the contractile power of the muscles that you are indebted for this power. Mind Amongst the Spindles 2011-09-20T02:00:13.677Z Under such circumstances this state of the heart is attributable in great measure to the complication which has weakened its contractile power. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z Although they do not have striations and sarcomeres, smooth muscle fibers do have actin and myosin contractile proteins, and thick and thin filaments. Anatomy and Physiology 2013-06-19T00:00:00Z It would seem that all the evidence now leads us to believe that the capillaries themselves are contractile and it is even possible that they may be under vasomotor control. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z These results identify a key pathway that is triggered by restoring contractile synchrony and that may represent a new therapeutic approach for a broad population of HF patients. [Research Articles] G{alpha}s-Biased {beta}2-Adrenergic Receptor Signaling from Restoring Synchronous Contraction in the Failing Heart 2011-09-14T18:55:05.417Z The sense of freedom of the spirit, of the absence of all contractile elements in Blake’s work must however be obvious to all. William Blake A Study of His Life and Art Work 2011-09-13T02:00:35.943Z This weakens very much the contractile power of these fibres. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z As scar tissue accumulates, the heart loses its ability to pump because of the loss of contractile power. Anatomy and Physiology 2013-06-19T00:00:00Z Bulbous Plants without Contractile Roots.—Some bulbous plants have not the advantage of contractile roots to keep them down in the soil, so they must secure this desirable end by different means. Beautiful Bulbous Plants For the Open Air 2011-09-10T02:00:24.197Z The head bears a single pair of contractile but not invaginable tentacles, at the base of which are the eyes. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" 2011-09-02T02:00:20.450Z They are furnished with a distinct mouth, and adult specimens exhibit star-shaped contractile vesicles in great perfection. Marvels of Pond-life A Year's Microscopic Recreations 2011-08-01T02:00:12.067Z But early in malignant cases, probably before the muscular fibres are damaged, the contractile power of the heart is feeble from impaired innervation, the result of the general weakness. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z When a muscle contracts, the contractile fibers shorten it to an even larger bulge. Anatomy and Physiology 2013-06-19T00:00:00Z At the base of each of these are numerous small outgrowths among the contractile roots. Beautiful Bulbous Plants For the Open Air 2011-09-10T02:00:24.197Z This structure is highly contractile, but cannot close together. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z It would not be surprising if they should be more or less actively contractile. Psychotherapy 2011-06-19T02:00:20.053Z Such instruments, however ingenious, are not of scientific value; because they do not admit of rigid comparison, are liable to alter in their contractile and expansive properties, and cannot be made to indicate precisely alike. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z The cleavage furrow is a contractile band made up of microfilaments that forms around the midline of the cell during cytokinesis. Anatomy and Physiology 2013-06-19T00:00:00Z Buckland has calculated that in a crinoid similar to that in Fig. 52 there are no less than 150,000 little bones, and 300,000 contractile bundles of fibres to move them. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z Some of them possess at their base narrow and highly contractile prolongations that exercise the functions of muscles. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z It approximates those worms which, despite a very elaborate vascular system, are destitute of a heart, the function of which is performed by contractile blood-vessels. Degeneracy Its Causes, Signs and Results 2011-05-02T02:00:17.657Z This group differs from the preceding in its simple test, but, like it, includes many fresh-water species, which possess contractile vacuoles. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 "Foraminifera" to "Fox, Edward" 2011-04-22T02:00:08.637Z This contractile band squeezes the two cells apart until they finally separate. Anatomy and Physiology 2013-06-19T00:00:00Z A kind of ether in which this difficulty of the longitudinal wave does not occur was imagined by Cauchy and afterwards discussed by Lord Kelvin, who called it the contractile, or labile, ether. The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar 2011-04-14T02:00:59.373Z It is highly contractile and when contracted sometimes assumes an annulate appearance; but as a rule the external surface is smooth. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z A single zooid of the same. a = nucleus. b = contractile vacuole. c = the characteristic “collar” of naked streaming protoplasm. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4 "Finland" to "Fleury, Andre" 2011-03-20T02:00:30.697Z In revolt against the contractile elements in Calvinism, Franklin believed that God "is not offended, when he sees his Children solace themselves in any manner of pleasant exercises and Innocent Delights." Benjamin Franklin Representative selections, with introduction, bibliograpy, and notes 2011-03-08T03:00:46.777Z The absolute refractory period for cardiac contractile muscle lasts approximately 200 ms, and the relative refractory period lasts approximately 50 ms, for a total of 250 ms. Anatomy and Physiology 2013-06-19T00:00:00Z The open mouth of this inner sac, which may, however, be closed at will, since the whole substance of the body is exceedingly contractile, is the oral opening or so-called mouth of the animal. Seaside Studies in Natural History Marine Animals of Massachusetts Bay. Radiates. 2011-03-07T03:00:13.343Z Like the column but to an even greater degree they are contractile, and in some forms they are capable of great elongation. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z Colony seen from the flat side; � 300. a = nucleus. b = contractile vacuole. c = amylon nucleus. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4 "Finland" to "Fleury, Andre" 2011-03-20T02:00:30.697Z This organism is remarkable in one or two ways: it possesses a contractile vacuole; the amoeboid trophozoites tend to form plasmodia; and the spores, of the usual simple type, may apparently divide by binary fission. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z The contractile cells contract and propel the blood. Anatomy and Physiology 2013-06-19T00:00:00Z Notwithstanding the remarkable power of contraction and dilatation in the animals themselves, the tentacles are but slightly contractile. Seaside Studies in Natural History Marine Animals of Massachusetts Bay. Radiates. 2011-03-07T03:00:13.343Z They are extremely contractile and change greatly from time to time in both form and size. Freshwater Sponges, Hydroids & Polyzoa 2011-06-25T02:00:17.833Z The cord is composed of a narrow layer of contractile fibres, scarcely visible when relaxed, on account of its transparency. The South-West By a Yankee. In Two Volumes. Volume 1 2011-02-02T03:00:22.253Z The veins and arteries of credit, which in order to function properly ought to be elastic and contractile like rubber, are hard and brittle as glass. Readings in Money and Banking Selected and Adapted 2011-02-01T03:00:14.553Z The antibodies to this pathogen’s M protein cross-react with an antigenic component of heart myosin, a major contractile protein of the heart that is critical to its normal function. Anatomy and Physiology 2013-06-19T00:00:00Z The creature contained a number of spherical food spaces with sienna colored contents, a large diatom filled with endochrome, besides several clear food spaces, a posterior contractile vesicle, and the usual glanular endosarc. The Galaxy Vol. XXIII?March, 1877.?No. 3 2011-01-31T03:00:16.193Z The bitter compounds do appear to inhibit the contractile muscles that help move stuff from the stomach to the intestine. Bitter Flavors Boost Hunger Hormone 2011-01-19T16:08:00Z There is no heart, but the ventral aorta is contractile, and the blood is driven forward in it and backward in the dorsal aortae. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" They have red, rarely yellow or green, blood circulating in a double system of contractile vessels, a double ganglionated nervous cord, and respire by external branchi�, internal vesicles, or by the skin. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli Not the least of these exceptional properties is its ability to initiate an electrical potential at a fixed rate that spreads rapidly from cell to cell to trigger the contractile mechanism. Anatomy and Physiology 2013-06-19T00:00:00Z The amoeba verrucosa assumed an oval form, and the contractile vesicle became indistinct without collapsing. The Galaxy Vol. XXIII?March, 1877.?No. 3 2011-01-31T03:00:16.193Z Paralysis of the bladder is a want of contractile power in the muscular fibres of the bladder-wall. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1 "Bisharin" to "Bohea" Several specially large contractile trunks in the anterior segments uniting the dorsal and ventral vessels. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" Each afferent vessel is expanded into a contractile branchial heart, which is provided with a glandular appendage. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" There are two major types of cardiac muscle cells: myocardial contractile cells and myocardial conducting cells. Anatomy and Physiology 2013-06-19T00:00:00Z Reviving for a few seconds, the snake started, opened its jaws, but immediately afterwards became stiff and motionless except at the tail, which continued to exhibit feeble contractile action for about twenty minutes. Blackwood's Edinburgh Magazine, Volume 62, No. 383, September 1847 They enlarge and diminish, and are possibly excretory like the “contractile vacuoles” of other Protista; though it has been suggested that by their communication with the medium they subserve nutrition. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" The membrane of the vesicul� seminales is formed of circular fibres; and is, I presume, contractile, for I have seen the spermatozoa expelled with force from the cut end of a living specimen. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The auricles, one pair, are contractile expansions of the efferent branchial vessels. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" Except for Purkinje cells, they are generally much smaller than the contractile cells and have few of the myofibrils or filaments needed for contraction. Anatomy and Physiology 2013-06-19T00:00:00Z It fulfils also respiratory and renal functions, and is comparable, physiologically, to the contractile vesicle or bladder of Rotifers and Turbellarians. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 2 "Constantine Pavlovich" to "Convention" Constant shouting causes the muscles of the larynx to lose their contractile power, and a condition is brought about which is analogous to writer's cramp. The Mechanism of the Human Voice The contractile effect of the muscles, in producing the varied movements of the system, may be seen in the bending of the elbow. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) Each cell contains both a kernel and a contractile vesicle. Was Man Created? These contractile elements are virtually identical to skeletal muscle. Anatomy and Physiology 2013-06-19T00:00:00Z At opposite ends of the social course, they displayed, in respect to the "figure" that each, in his way, made, one the expansive, the other the contractile effect of the perfect white waistcoat. The Wings of the Dove, Volume II Their protoplasm is contractile and their form varies according to the species. The Sexual Question A Scientific, psychological, hygienic and sociological study The contractile portion of a muscle is, in general, at a distance from the part to be moved. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) Here all mononuclear forms gradually ripen to the polynuclear contractile cells, which obey each chemiotactic stimulus by emigration, and which thus bring about sudden leucocytosis. Histology of the Blood Normal and Pathological This impulse spreads from its initiation in the SA node throughout the atria through specialized internodal pathways, to the atrial myocardial contractile cells and the atrioventricular node. Anatomy and Physiology 2013-06-19T00:00:00Z Bichat has distinguished their vitality as organic vitality, and the contractile qualities displayed are divided into insensible organic contractility, and into contractility of tissue: but these sorts of contractility mount up by insensible gradations. North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 To quiver is to have slight and often spasmodic contractile motions, as the flesh under the surgeon's knife. English Synonyms and Antonyms With Notes on the Correct Use of Prepositions The contractile and elastic middle coat of the arteries aids the heart in impelling the blood to the minute vessels of the system. 3d. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) I incline to the first of these theories myself, as the most conformable to the contractile laws of heat. The Land of Thor The relative importance of this pathway has been debated since the impulse would reach the atrioventricular node simply following the cell-by-cell pathway through the contractile cells of the myocardium in the atria. Anatomy and Physiology 2013-06-19T00:00:00Z Painting the borders of the inflamed patch with contractile collodion may prevent its spreading. The Home Medical Library, Volume I (of VI) One by one the many-coloured lights of the bottom winked off, the long feelers and contractile stems were drawn in, and the whole bottom became once more a motionless, dead-grey world.... Child and Country A Book of the Younger Generation Upon the health and contractile energy of the muscles depends the ability to labor. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) This would seem to indicate very clearly that the mass had been forcibly rent asunder, either by the contractile process of heat, or a convulsion of the earth. The Land of Thor The wave of depolarization begins in the right atrium, and the impulse spreads across the superior portions of both atria and then down through the contractile cells. Anatomy and Physiology 2013-06-19T00:00:00Z Chylification.—As fast as chyme is formed, it is expelled by the contractile power of the stomach into the duodenum, or first intestine. Popular Education For the use of Parents and Teachers, and for Young Persons of Both Sexes This view is, however, inadequate, since we cannot regard the blood as analogous to the medullary substance of the nerve, or contractile substance of a muscular fasciculus. The World's Greatest Books — Volume 15 — Science The mind exerts a great influence upon the tone and contractile energy of the muscular system. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) The heart, when not acting by order, need not be supposed to lose its contractile force and tendency. Blackwood's Edinburgh Magazine, Volume 61, No. 378, April, 1847 The contractile cells then begin contraction from the superior to the inferior portions of the atria, efficiently pumping blood into the ventricles. Anatomy and Physiology 2013-06-19T00:00:00Z But when the air is thrown out from the lungs, the diaphragm rises into the chest, and the bowels follow, being pressed upward by the contractile power of the abdominal muscles. Popular Education For the use of Parents and Teachers, and for Young Persons of Both Sexes During life they are also contractile, being provided with muscular tissue. Special Report on Diseases of the Horse The presence of food in the stomach also increases a contractile action of the muscular coat, by which the position of the food is changed from one part of this cavity to another. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) The trunk is precisely that of a worm; it consists of many closely-knitted segments, which are possessed of an extraordinary contractile power. Chambers's Edinburgh Journal, No. 451 Volume 18, New Series, August 21, 1852 Because of this connection, each papillary muscle receives the impulse at approximately the same time, so they begin to contract simultaneously just prior to the remainder of the myocardial contractile cells of the ventricles. Anatomy and Physiology 2013-06-19T00:00:00Z In man at the critical moment, a spasm passed through the whole body, and similarly in the plant the lecturer had discovered that a great contractile spasm took place. Sir Jagadis Chunder Bose His Life and Speeches Leo explained its parts to them, but made no reference to its expansive and contractile properties. The Giant of the North Pokings Round the Pole If a limb, as the arm, be kept flexed for a long time, one set of muscles will be relaxed and elongated, and another will be shortened, and its contractile power will be increased. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) Meanwhile, the muscles and bones have severally increased their contractile and resisting powers, in proportion to the areas of their transverse sections; and hence are severally but four times as strong as they were. On the Genesis of Species The Purkinje fibers are additional myocardial conductive fibers that spread the impulse to the myocardial contractile cells in the ventricles. Anatomy and Physiology 2013-06-19T00:00:00Z But Sir J. C. Bose's apparatus demonstrated the unsuspected fact that every plant and every organ of every plant answered to a shock by a contractile spasm, as by an animal muscle. Sir Jagadis Chunder Bose His Life and Speeches He differs from Cuvier in regarding the tunic as the homologue of the shell of Lamellibranches, remarking that it differs in being muscular and contractile. Lamarck, the Founder of Evolution His Life and Work In a patient who took a poisonous quantity of Saponin at Saint Petersburg all the muscular contractile sensitiveness was completely abolished; whilst, nevertheless, all the bodily functions were normally performed. Herbal Simples Approved for Modern Uses of Cure A woman may be delivered of a child unconsciously, for the contractile power of the womb is independent of volition. Aids to Forensic Medicine and Toxicology The vascular tone of the vessel is the contractile state of the smooth muscle and the primary determinant of diameter, and thus of resistance and flow. Anatomy and Physiology 2013-06-19T00:00:00Z In man at the critical moment a spasm passes through the whole body and similarly in the plant I find a great contractile spasm takes place. Sir Jagadis Chunder Bose His Life and Speeches We see, therefore, that the Philanthus is obliged to inflict a sudden death which instantly destroys the contractile power of the organs. Social Life in the Insect World The contractile vacuole is generally on the right side and similarly located. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The clear space within it is a contractile vesicle. Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky While most ventricular filling occurs while the atria are relaxed, they do demonstrate a contractile phase and actively pump blood into the ventricles just prior to ventricular contraction. Anatomy and Physiology 2013-06-19T00:00:00Z In man, at the critical moment, a spasm passes through the whole body, and similarly in the plant, I find that a great contractile spasm takes place. Sir Jagadis Chunder Bose His Life and Speeches Animal motion includes stimulus, sensorial power, and contractile fibres. Zoonomia, Vol. I Or, the Laws of Organic Life There is one central nucleus and usually one contractile vacuole. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 Many amoeb� show also in the interior a small clear space, the contractile vesicle which alternately contracts and expands, through which action the movement of the intracellular fluid is facilitated and waste products removed. Disease and Its Causes He puts his vegetable leg through many of the movements which would seem to demand the contractile animal fibre. The Atlantic Monthly, Volume 11, No. 67, May, 1863 There is in the Articulates an extraordinary tendency toward outward expression, singularly in contrast to the soft, contractile bodies of the Mollusks. The Atlantic Monthly, Volume 09, No. 53, March, 1862 First comes desire as the contractile, tart quality or pain, from which proceed hardness and heat; next comes mobility as the expansive, sweet quality, as this shows itself in water. History of Modern Philosophy From Nicolas of Cusa to the Present Time The nucleus is minute and lateral in position; the contractile vacuole is in the posterior end of the body. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The conjunctiva was insensible and there was no contractile response of the pupil to the light of a candle. Anomalies and Curiosities of Medicine The trouble was to make the thing contractile. Tono Bungay The polype is remarkable for the protrusion and contractile power of its lips. Glaucus, or the Wonders of the Shore Walt Whitman owes his importance in literature to the systematic expulsion from his writings of all contractile elements. Varieties of Religious Experience, a Study in Human Nature The nucleus is usually anterior, and one or two contractile vacuoles are present. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 Thus all risk of contractile tension, which is so dangerously eminent and inherent in the case of sand-mould castings, made of so exceedingly brittle an alloy as that of speculum metal, is entirely avoided. James Nasmyth: Engineer; an autobiography The muscles are the contractile organs that move the body. Common Diseases of Farm Animals The simplest form of polype is that of a fleshy bag open at one end, surmounted by a circle of contractile threads or fingers called tentacles. Glaucus, or the Wonders of the Shore Muscles are highly elastic as well as contractile. A Practical Physiology There are two contractile vacuoles and one nucleus, which is situated a little above the body center. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 In general, it controls the tone of the tissues, of involuntary or smooth muscle fibres of the blood vessels and the contractile organs of the body like the intestines, the bladder and uterus. The Glands Regulating Personality Close to the origin of these cilia, in the substance of the body, is a regularly pulsating, contractile vacuole. Discourses Biological and Geological Essays Like Actinia, it has a membranous covering, a simple sac-like stomach, a central mouth, a disk surrounded by contractile and adhesive tentacles. Glaucus, or the Wonders of the Shore It has by no means lost its contractile power, for if we apply a strong electric stimulus to it, the fatigue seems to disappear. A Practical Physiology The contractile vacuole lies in the anterior half of the body. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The breaking down or decomposition of this contractile substance in the muscle, sets free its potential energy. Hygienic Physiology : with Special Reference to the Use of Alcoholic Drinks and Narcotics Such a structure is of common occurrence among the lowest plants and animals, and is known as a contractile vacuole. Discourses Biological and Geological Essays In their more advanced mesoderm we find a few contractile longitudinal canals which force the blood through the body by their contractions; these are the first blood-vessels. The Evolution of Man — Volume 2 An alcoholic heart loses its contractile and resisting power, both through morbid changes in its nerve ganglia and in its muscle fibers. A Practical Physiology The contractile vacuole is close to the base of the flagella. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 It is due to a diminished contractile power of the heart when the heart muscle has become weakened and a more or less rapid heart action is present. Disturbances of the Heart Its action upon the mucous surface of the stomach is highly detrimental to that organ, as it arrests the excretion of the gastric juice by its contractile effect upon the glands. The Royal Road to Health I see in the "Cornhill Magazine" a notice of a work by Cohn, which apparently is important, on the contractile tissue of plants. More Letters of Charles Darwin — Volume 1 The membrane which surrounds the contractile substance of a striped muscular fiber. A Practical Physiology The contractile vacuole is in the anterior neck-like portion of the body. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 Such great black eyes! such exceedingly fine white hair! feet so contractile when raised, so soundless in planting, so broad when set!--nobody had ever seen the peer of this camel. Ben-Hur; a tale of the Christ He took hints from the contractile bladders of fish and the pneumatic cavities of birds. Twelve Stories and a Dream The soul ordinarily selects the channels of the circulation, and the contractile parts, as the route for influencing the body. A History of Science — Volume 4 Similarly necessary are valuations like flat, sweetish, contractile, limey, pappy, sandy, which are all dictated by almost momentary variations in well-being. Criminal Psychology; a manual for judges, practitioners, and students The flagellum is inserted in a distinct œsophageal tube, into which the contractile vacuole empties. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The body is slightly contractile and the posterior end is carried to a rounded point, but not into a distinct tail. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 His particular difficulty was the elastic lining of the contractile balloon. Twelve Stories and a Dream Unlike the fresh-water variety, this one has no hyaline margin nor hyaline caudal region, and the contractile vacuole is double or multiple on the dorsal side near the posterior end. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuoles are quite varied and from one to many in number, the number increasing with the size of the individual. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 Body short to very long flask-shape; for the most part contractile, especially in the neck region. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The specimens observed at Woods Hole had numerous contractile vacuoles and were 42 to 45µ long and from 28 to 32µ wide. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 Two to four contractile vacuoles are placed on the ventral side. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 There are two contractile vacuoles, one behind the center of the buccal armature, the other near the inner end of this organ. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is on the left side, the spheroidal nucleus on the right side of the furrow. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 This form differs slightly from others of the same species as described by different observers, the most striking difference being the presence of two contractile vacuoles in place of the usual one. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is posterior and dorsal to the long axis of the body. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is terminal or subterminal and near the anal opening. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is posterior in front of the bristle. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is subterminal and dorsal; it is questionable whether there are canals leading to it. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is terminal, the proboscis is short, slightly raised and separated from the body by a deep cleft; the buccal cilia are inserted part way up on the proboscis. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is central and dorsal; the macronucleus is in the anterior half of the body, with one attached micronucleus. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The macronucleus is central, and the contractile vacuole posterior and terminal. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is posterior and terminal, and may be multiple. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 A row of contractile vacuoles extends from the posterior end. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The posterior part is granular and usually filled with food particles; it is well rounded and holds the nucleus and contractile vacuole. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 Like the latter, there is one caudal bristle, but unlike it there is only one posterior contractile vacuole, while the endoplasm is filled with large granules or food balls. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuoles are usually placed in rows upon the edges. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is single and is located at the pointed end, which is directed backwards during locomotion. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 One important difference is the presence of only one contractile vacuole in the marine form. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole lies on one side, near the girdle. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is simple, and posterior in position. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 His was a fresh-water type; this is marine, but the caudal filament and the contractile vacuole are similar. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The body is flat, colorless or tinged with yellow, and contractile. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 One contractile vacuole is situated in the dorsal swelling at the posterior end of the animal. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The central portion of the body is developed into a more or less arched dorsal mass, which usually contains the nuclei and contractile vacuoles. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 Very active, contractile, colorless forms of rather small size. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The macronucleus is double; the contractile vacuole is central and on the left side. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The single contractile vacuole lies on the right side in the region of the anal cirri, sometimes just above them, sometimes below. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole lies on the right side dorsal to the posterior cirri. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole lies posteriorly, on the right side and in the dorsal swelling. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The nucleus and contractile vacuole are similar to those of the preceding species. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is on the right side in the vicinity of the anal cirri. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole lies dorsal to the anal cirri and anterior to the three dorsal cirri. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is on the left side between the main groups of cirri. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The entire body is plastic and contractile, turning its leaf-like edge readily over objects upon which it creeps. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole lies between the two sets of posterior cirri. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The peristome, contractile vacuole, and nucleus are similar to the preceding. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is on the left side in the region of the mouth. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The stalk is very contractile and elastic, constantly changing in shape. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The anterior end frequently proboscis-like, flat, and flexible, while the entire body is more or less elastic and contractile. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 No test; with stalk containing contractile thread 8 6. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 No test; with stalk but without contractile thread Genus Epistylis 7. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 Individuals solitary Genus *Vorticella Individuals colonial; entire colony contractile Genus *Zoothamnium Individuals colonial; parts only of the colony contractile Genus Carchesium * Presence at Woods Hole indicated by asterisk. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The chief character is the attachment of the posterior end by means of a single, longer or shorter, stalk, which contains a highly contractile thread easily distinguished in the living animal. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole may be single or multiple, usually in the posterior region of the body and dorsal in position. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The colonies are usually richly branched upon the dichotomous plan and the entire colony is contractile. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The animal is very contractile and may stretch half its length out of the cup or retract well into it. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 There are one or two contractile vacuoles in the distal half of the body. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 The contractile vacuole is in the anterior third of the body about midway between the bundles of tentacles. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 |
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