| 单词 | Purkinje |
| 例句 | An example of a multipolar neuron is a Purkinje cell in the cerebellum, which has many branching dendrites but only one axon. Biology for AP Courses 2022-06-09T00:00:00Z Although each component of the conduction system is capable of generating its own impulse, the rate progressively slows as you proceed from the SA node to the Purkinje fibers. Anatomy and Physiology 2013-06-19T00:00:00Z In Cajal’s eyes, the Purkinje cell stained with the black reaction resembled the “most elegant and leafy tree.” The Father of Modern Neuroscience Discovered the Basic Unit of the Nervous System 2022-04-09T04:00:00Z The metalwork forming the dendrites of the Purkinje cells incorporates letters from the Korean alphabet, a nod to Lee’s personal history. Inspired by Chronic Illness, She Made Award-Winning Art about the Brain 2021-08-12T04:00:00Z The “trees” are 65 individually traced images of mice’s Purkinje neurons, which play important roles in controlling coordination and movements. The Beautiful Things inside Your Head: Winners of the 10th Annual Art of Neuroscience Contest 2020-07-23T04:00:00Z Finally, the Purkinje fibers conduct the impulse from the apex of the heart up the ventricular myocardium, and then the ventricles contract. Biology for AP Courses 2022-06-09T00:00:00Z The bundle branches would have an inherent rate of 20–30 impulses per minute, and the Purkinje fibers would fire at 15–20 impulses per minute. Anatomy and Physiology 2013-06-19T00:00:00Z “Is there in our parks any tree more elegant and leafy than the Purkinje corpuscle of the cerebellum or the psychic cell, in other words, the famous cerebral pyramid?” he asked. The Father of Modern Neuroscience Discovered the Basic Unit of the Nervous System 2022-04-09T04:00:00Z Sendhilnathan et al. found that the activity of cerebellar Purkinje cells carried information about the success or failure of the monkey’s most recent attempt at the task. Research on the cerebellum yields rewards 2020-03-08T05:00:00Z His group investigates long-term plasticity in the synapses of Purkinje cells, which are large neurons in the cerebellum. Dispatch: a visit to Japan from Europe 2019-01-24T05:00:00Z Purkinje fibers conduct impulse from the apex up the ventricular myocardium, causing the ventricles to contract. Biology for AP Courses 2022-06-09T00:00:00Z 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 In Syt7-knockout mice, Purkinje cell and vestibular synapses exhibit conventional use-dependent depression, weakening to a greater extent as the firing frequency is increased. Synaptotagmin 7 confers frequency invariance onto specialized depressing synapses 2017-10-29T04:00:00Z First, as with reward-driven learning, for some motor skills, cerebellar Purkinje cells contribute selectively to new motor learning and not to performing older motor skills15,16. Research on the cerebellum yields rewards 2020-03-08T05:00:00Z Selective and regulated gene expression in murine Purkinje cells by in utero electroporation. Kctd13 deletion reduces synaptic transmission via increased RhoA 2017-10-31T04:00:00Z Purkinje fibers conduct the impulse from the apex up the ventricular myocardium, causing the ventricles to contract. Biology for AP Courses 2022-06-09T00:00:00Z 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 Here we study frequency-invariant transmission at synapses from Purkinje cells to deep cerebellar nuclei and at vestibular synapses in mice. Synaptotagmin 7 confers frequency invariance onto specialized depressing synapses 2017-10-29T04:00:00Z Finally, during both types of learning, individual Purkinje cells are active for a specific time period of a few hundred milliseconds, with information seemingly passed from cell to cell over time19. Research on the cerebellum yields rewards 2020-03-08T05:00:00Z We took advantage of a particular pathway where the Purkinje cells in the cerebellar cortex project directly to a specific region of the deep cerebellar nuclei. How Does a Gymnast--Or Even a Fitness Walker--Keep From Falling? 2015-08-29T04:00:00Z Purkinje fibers conduct impulse from the apex up the ventricular myocardium, causing the ventricles to contract. Biology for AP Courses 2022-06-09T00:00:00Z Would the name “brain map” convey anything intelligible to someone not conversant with technical papers that bear titles like “Climbing Fiber Input Shapes Reciprocity of Purkinje Cell Firing”? Harvard s Whitesides Gives Brilliant Critique of Mammoth U.S. Brain Project 2013-05-29T20:45:00.450Z Some neurons possess a fractal beauty similar to that of ferns and corals: Purkinje cells, for example, often sport finely branched nets, like a sea fan. Know Your Neurons: The Discovery and Naming of the Neuron 2012-05-14T18:15:00.220Z Neither the jerking movements nor the uniform movements of the eyes were observed which normal human beings exhibit in the Ritter and Purkinje experiment. Popular scientific lectures 2012-04-24T02:00:17.273Z Next Purkinje's figures, or shadows cast by the blood-vessels of the middle layer upon the bacillary layer of the retina. Human Personality and its Survival of Bodily Death 2012-01-05T03:00:42.307Z It enters the Purkinje fibers, then to left and right bundle branches extending through the interventricular septum. Biology for AP Courses 2022-06-09T00:00:00Z The Purkinje effect may be noticed by the careful observer and it is responsible for certain illusions. Visual Illusions Their Causes, Characteristics and Applications 2011-06-02T02:00:25.247Z Purkinje, an eminent professor of physiology, who read a paper before the university of Breslau, adducing nine standard types of impressions and advocating a system of classification which attracted no great attention. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" 2011-03-14T03:01:00.580Z I remembered the galvanic dizziness which had been observed by Ritter and Purkinje on the passage of a current through the head, when the persons experimented upon imagined they were falling towards the cathode. Popular scientific lectures 2012-04-24T02:00:17.273Z In 1820 J. Purkinje studied the vertigo that follows rapid rotation of the body in the erect position on a vertical axis. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" 2011-02-27T03:00:31.973Z How would the cardiac cycle be affected if neural signals were blocked within the Purkinje fiber? Biology for AP Courses 2022-06-09T00:00:00Z The fibres of the white central matter are partly centrifugal, the neuraxons of the cells of Purkinje, and partly centripetal. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" Thus the Purkinje cell is stimulated at three points: cell body, trunks of the dendrites, and twigs of the dendrites. Psychology A Study Of Mental Life Then a pause, followed by "Take a Purkinje's Digestive Pill." Tales of Space and Time Purkinje noticed that the position of the imaginary axis of rotation depends on the axis around which the head revolves. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" 2011-02-27T03:00:31.973Z The atria would contract, but the ventricles would not, because the atrioventricular node passes signals to the Purkinje fibers, which allow the ventricles to contract. Biology for AP Courses 2022-06-09T00:00:00Z Fibres from white core of folium ending in molecular layer in connexion with the dendrites of the cells of Purkinje. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" In "b," the arrow indicates a "climbing axon," winding about the main limbs of the Purkinje cell. Psychology A Study Of Mental Life Backwards and forwards along a cable overhead rushed a string of gesticulating men, dressed like clowns, each marked on back and chest with one gigantic letter, so that altogether they spelt out: "Purkinje's Digestive Pills." Tales of Space and Time Mach first pointed out that Purkinje’s phenomena, already alluded to, were in all probability related to the semicircular canals. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 7 "Equation" to "Ethics" 2011-02-27T03:00:31.973Z The ventricles would contract, but the atria would not, because the atrioventricular node passes the signal to the Purkinje fibers, which allow the ventricles to contract. Biology for AP Courses 2022-06-09T00:00:00Z Forming a layer lying at the junction of these two are a number of cells, the cells of Purkinje, which constitute the most characteristic feature of the cerebellum. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" 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 These things are Purkinje's Figures—the shadows of the network of blood-vessels of the retina microscopically magnified on the ceiling: everybody ought to see them—it's a sign the eye is a good working lens. Without Prejudice Through his efforts, and with the invaluable aid of such other workers as Remak, Purkinje, Henle, Muller, and the rest, all the mystery as to the general characteristics of nerve tracts was cleared away. A History of Science — Volume 4 The atria would contract, but the ventricles would not, because the atrioventricular node passes the signal to the Purkinje fibers, which allow the atria to contract. Biology for AP Courses 2022-06-09T00:00:00Z In their course through the granule layer they give off a number of branching collaterals, some turning back and passing between the cells of Purkinje into the molecular layer. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" It happened that, some years before Schwann wrote, a good deal of work had been done on the minute structure of the ovum, particularly by Purkinje and von Baer. Form and Function A Contribution to the History of Animal Morphology Every healthy eye sees Purkinje's Figures when the conditions are present; but only a rare eye perceives them consciously. Without Prejudice Put so, for that matter, were numerous others, as Henle, Turpin, Du-mortier, Purkinje, and Muller, all of whom Schwann himself had quoted. A History of Science — Volume 4 The ventricles would contract, but the atria would not, because the atrioventricular node passes the signal to the Purkinje fibers, which causes the atria to contract. Biology for AP Courses 2022-06-09T00:00:00Z In its course, this gives off numerous collaterals which run downward to the bodies of Purkinje’s cells. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" For example, dendrites from a Purkinje cell in the cerebellum are thought to receive contact from as many as 200,000 other neurons. Biology for AP Courses 2022-06-09T00:00:00Z The fibres give rise to an abundant plexus of fibrils in the granular layer, and many reaching into the molecular layer ramify there, especially in the immediate neighbourhood of the dendrites of Purkinje’s cells. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" |
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