| 单词 | nervous tissue |
| 例句 | It also means the beginning of cephalization, the evolution of a concentration of nervous tissues and sensory organs in the head of the organism, which is where it first encounters its environment. Fundamentals of Biology 2015-01-01T00:00:00Z Associated with bilateralism is the beginning of cephalization, the evolution of a concentration of nervous tissues and sensory organs in the head of the organism, which is where the organism first encounters its environment. Concepts of Biology 2013-04-25T00:00:00Z The snail “illustrates one possibility of using these materials as, basically, an artificial nervous tissue for soft robots,” says Carnegie Mellon University mechanical engineer Carmel Majidi, the study’s senior author. Bizarre Material Combines the Best Traits of Gel and Metal 2023-04-12T04:00:00Z Historically, reports of scientists finding fossilized brain tissue have been controversial because it was once thought that nervous tissue couldn’t fossilize, Live Science previously reported. Penis Worm’s Ancient Cousin Fossilized with Its Doughnut-Shaped Brain Intact 2022-10-05T04:00:00Z This is enough time to vaccinate an individual who suspects that they have been bitten by a rabid animal, and their boosted immune response is sufficient to prevent the virus from entering nervous tissue. Biology for AP Courses 2022-06-09T00:00:00Z Glial cells, or glia, are known to play a supporting role for nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z This is enough time to vaccinate an individual who suspects being bitten by a rabid animal, and the boosted immune response from the vaccination is enough to prevent the virus from entering nervous tissue. Concepts of Biology 2013-04-25T00:00:00Z Colorful transparent slides, mounted with slivers of nervous tissue from sacrificed animals still gummy to the touch from chemical treatments, lay scattered on the worktable. The Father of Modern Neuroscience Discovered the Basic Unit of the Nervous System 2022-04-09T04:00:00Z Notably, this is the first time fossilized nervous tissue has been found in a so-called Orsten-style fossil, the authors added. Penis Worm’s Ancient Cousin Fossilized with Its Doughnut-Shaped Brain Intact 2022-10-05T04:00:00Z As the virus remains latent in nervous tissue of the body for life, this drug is not curative but can make the symptoms of the disease more manageable. Biology for AP Courses 2022-06-09T00:00:00Z It is the electrical signal that nervous tissue generates for communication. Anatomy and Physiology 2013-06-19T00:00:00Z As the virus remains latent in nervous tissue of the body for life, this drug is not a cure but can make the symptoms of the disease more manageable. Concepts of Biology 2013-04-25T00:00:00Z Traditionally, researchers studied nervous tissue from adult humans who had died naturally after a normal life span. The Father of Modern Neuroscience Discovered the Basic Unit of the Nervous System 2022-04-09T04:00:00Z Compared with what the team typically observed, the embryo that contained traces of nervous tissue looked starkly different. Penis Worm’s Ancient Cousin Fossilized with Its Doughnut-Shaped Brain Intact 2022-10-05T04:00:00Z The disease was spread by the consumption of meat, nervous tissue, or internal organs between members of the same species. Biology for AP Courses 2022-06-09T00:00:00Z Fresh, unstained nervous tissue can be described as gray or white matter, and within those two types of tissue it can be very hard to see any detail. Anatomy and Physiology 2013-06-19T00:00:00Z "It affects the nervous tissue in the spinal cord resulting in total loss of movement... speech deteriorates over time and it leads to heart disease," Mr Arnold said. Granddad bares 'knobbly knees' for a year 2020-01-01T05:00:00Z Around that time, perhaps influenced by the predominant metaphor, German anatomist Joseph von Gerlach looked at nervous tissue through his microscope and saw the tangle of fibers—a reticulum. The Father of Modern Neuroscience Discovered the Basic Unit of the Nervous System 2022-04-09T04:00:00Z “Nobody had foreseen that you could preserve brains or nervous tissues in calcium phosphate, and maybe it’s just a matter of going back and looking for it in museum drawers.” Penis Worm’s Ancient Cousin Fossilized with Its Doughnut-Shaped Brain Intact 2022-10-05T04:00:00Z As already discussed, herpes simplex virus can remain in a state of latency in nervous tissue for months, even years. Biology for AP Courses 2022-06-09T00:00:00Z The function of the tissue in the CNS is crucial to the survival of the organism, so the contents of the blood cannot simply pass into the central nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z Their diseased shape induces proteins of similar sequence but healthy shape – found abundantly in all nervous tissue -- to misfold when they collide with a prion. Prions, Nearly Indestructible and Universally Lethal, Seed the Eyes of Victims 2018-12-09T05:00:00Z Changes in the brain, they reasoned, might lead to changes in the nervous tissue connected to it. The eye's structure holds information about the health of the mind 2018-06-28T04:00:00Z Take the spinal cord, a foot-and-a-half-long flexible tube of nervous tissue inside the backbone with about a billion nerve cells. What Is Consciousness? 2018-05-22T04:00:00Z BSE, originally detected in the United Kingdom, was spread between cattle by the practice of including cattle nervous tissue in feed for other cattle. Biology for AP Courses 2022-06-09T00:00:00Z As with elsewhere in its circulation, the CSF picks up metabolic wastes from the nervous tissue and moves it out of the CNS. Anatomy and Physiology 2013-06-19T00:00:00Z Following the embryos over time allowed the researchers to watch as cells assumed specialized roles, becoming nervous tissue, for example, or skin. Incredibly detailed embryo maps chart each cell’s developmental fate 2018-04-25T04:00:00Z The researchers believe it’s possible that exercise leads to greater neurogenesis—the development of nervous tissue, as well as more synaptic plasticity—the ability of the brain’s neural pathways to keep changing and growing. Too Much TV as a Young Adult May Damage the Brain by Midlife 2015-12-02T05:00:00Z It is a laminated sheet of intricately interconnected nervous tissue, the size and width of a 14-inch pizza. What Is Consciousness? 2018-05-22T04:00:00Z The four primary tissues are epithelia, connective tissues, muscle tissues, and nervous tissues. Biology for AP Courses 2022-06-09T00:00:00Z Nerves are composed of more than just nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z Thus, Spemann’s organiser somehow caused nearby cells to form nervous tissue. The man who grew eyes 2014-08-26T04:00:00Z Ominously, it seemed to especially favor nervous tissue. Suspicious Virus Makes Rare Cross-Kingdom Leap From Plants to Honeybees 2014-01-31T14:10:31Z And meatpackers are required to remove from carcasses brains, spinal cords, nervous tissue and other materials that could be infected. U.S. aligns beef rules with global mad cow standards 2013-11-02T15:58:32Z A nervous tissue consists of neurons and glial cells. Biology for AP Courses 2022-06-09T00:00:00Z It does contain two types of cells, neurons and glia, but it is all just nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z This remarkable procedure involved grafting bones from the donor hand to the recipient arm, stitching together nervous tissue, connecting the circulatory systems and forging a physical connection between the hand and the recipient. Scicurious Guest Writer! Sleight of Hand, Sleight of Mind: Illusions, Delusions and the Immune System 2013-01-30T14:15:07.010Z Education consists largely in establishing such routes through the nervous tissue. Being Well-Born An Introduction to Eugenics 2012-05-22T15:16:53.140Z When the leading anatomists of the 19th century examined fragile nervous tissue with the best microscopes available to them, they identified cell bodies that sprouted many tangled projections. Know Your Neurons: The Discovery and Naming of the Neuron 2012-05-14T18:15:00.220Z As a result of this type of replicative cycle, appearances of cold sores outbreaks only occur intermittently, even though the viruses remain in the nervous tissue for life. Biology for AP Courses 2022-06-09T00:00:00Z White matter and gray matter are not types of nervous tissue, but indications of different specializations within the nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z The point of election of this germ appears to be mainly the nervous tissue. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z This supposes that there is a manufacture of poisonous materials within the system, whose transference to the nervous tissues causes functional disturbance of these delicate organs. Essays In Pastoral Medicine 2012-03-05T03:00:09.993Z “The brain tissue of the nervous tissue is metabolically expensive,” he said. Observatory: Tiniest of Spiders Are Loaded With Brains, Researchers Find 2011-12-26T16:50:31Z It was at first believed that there were two types of venoms: neurotoxic, which acts upon nervous tissue; and haemotoxic, which acts on blood and other tissues. Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia) 2011-12-17T03:00:17.963Z Infectious diseases can lead to loss of function throughout the CNS as components of nervous tissue, specifically astrocytes and microglia, react to the disease. Anatomy and Physiology 2013-06-19T00:00:00Z How shall anybody say that nature has forever lost the power of rebuilding a bit of nervous tissue? The Book of Life 2011-11-25T03:00:13.343Z It is present in many parts of the body, especially in the glands and nervous tissues, and it is found in the mucosa of the mouth and in the nasal secretions. Essays In Pastoral Medicine 2012-03-05T03:00:09.993Z It need hardly be said that cases of this kind are essentially different, and require perfectly different principles of treatment from neuralgias in which the disturbance originates within the nervous tissues themselves. Neuralgia and the Diseases that Resemble it 2011-10-03T02:00:31.460Z Electrical impulse propagation is an essential function in cardiac, skeletal muscle, and nervous tissue. [Research Articles] Reversible Cardiac Conduction Block and Defibrillation with High-Frequency Electric Field 2011-09-28T20:25:45.923Z The adrenal gland consists of an outer cortex of glandular tissue and an inner medulla of nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z His investigation was as searching and minute as that of an anatomist engaged in the dissection of nervous tissue. Benjamin Franklin; Self-Revealed, Volume II (of 2) A Biographical and Critical Study Based Mainly on his own Writings 2011-08-16T02:00:39.793Z These changes are due to disturbance of the blood and lymph supply of the nervous tissue. Essays In Pastoral Medicine 2012-03-05T03:00:09.993Z Chronic over-fatigue and exhaustion, an�mia however produced, the circulation through the nervous tissues of impure blood, alter the character of the mental processes. Household Administration Its Place in the Higher Education of Women 2011-07-20T02:00:13.547Z Electrical stimulation has been applied to nervous tissue to cause reversible conduction block, but has not been explored sufficiently in cardiac tissue. [Research Articles] Reversible Cardiac Conduction Block and Defibrillation with High-Frequency Electric Field 2011-09-28T20:25:45.923Z Microglia protect the nervous system against infection but are not nervous tissue because they are related to macrophages. Anatomy and Physiology 2013-06-19T00:00:00Z Blood has been poured out into the nervous tissue. Mentally Defective Children 2011-06-19T02:00:24.963Z Finally, researchers delicately thread thin optical fibers down through layers of nervous tissue and deliver light to just the right spot. Control Desk for the Neural Switchboard 2011-05-16T23:10:35Z CJD is a rare fatal disease that causes degeneration of nervous tissues, for example in the brain and spinal cord. 38 hospital patients in CJD risk 2011-03-29T10:07:41Z The action of alcohol on the nervous tissues constitutes, in the eyes of the majority, the main injury that alcohol does to a human being. Habits that Handicap The Menace of Opium, Alcohol, and Tobacco, and the Remedy 2011-02-15T03:00:18.787Z The cells of nervous tissue are specialized to transmit and receive impulses. Anatomy and Physiology 2013-06-19T00:00:00Z For instance, in Vertebrata this tissue gives rise to nervous tissue, blood-vessels, renal tubules, smooth muscular fibres, and other structures, as well as to connective and skeletal tissues. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z What sort of change takes place in the nervous tissue when its excitability is aroused, is not known; certainly none is visible. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers The nervous tissue consists of many fibers thickly interwoven. Journal of Entomology and Zoology Volume Eleven, Number Two, June 1919 Their cavities open out from the aqueduct of 401 Sylvius, and from the nervous tissue in their walls the optic nerves derive their fibres. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" Today, research into nervous tissue has shown that there are many deeper roles that these cells play. Anatomy and Physiology 2013-06-19T00:00:00Z Finally, the counteracting effect of antitoxin in preventing the disintegrating action of the 294 diphtheritic toxin on the nervous tissues has been demonstrated pathologically. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 5 "Dinard" to "Dodsworth" The Brain.—The brain is the great volume of nervous tissue that is lodged within the skull. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers "Sensitive nervous tissue," he said with a finger up to emphasize his words. The Wife of Sir Isaac Harman To make this last inference more clear a reference to the histology of nervous tissue must be made. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" Because of the privileged blood supply inherent in the BBB, the extracellular space in nervous tissue does not easily exchange components with the blood. Anatomy and Physiology 2013-06-19T00:00:00Z Describe the two substances that enter into the composition of the nervous tissue. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) State what is meant by the properties of nervous tissue, and give the illustration. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers In comparatively young men of the present age there is often a decided modification of the nervous tissues with symptoms resembling those in neurasthenia. Montezuma's Castle and Other Weird Tales Unlike the plastic elements, they are—except the fats of the brain and nervous tissue—altogether destitute of sulphur and phosphorus. The Stock-Feeder's Manual the chemistry of food in relation to the breeding and feeding of live stock The enteric nervous system is exclusively found in the periphery because it is the nervous tissue in the organs of the digestive system. Anatomy and Physiology 2013-06-19T00:00:00Z Were the nervous tissue of the true skin not thus protected, every sensation would be so acute as to be unpleasant, and contact with external bodies would cause pain. A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) The soft, fatty substance contained in the central cavities of the bones: the spinal marrow, however, is composed of nervous tissue. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers Whether estimated by volume or by weight, the quantity of nervous tissue which is consumed in the electric organ of the skate is in excess of all the rest of the nervous system put together. Darwin, and After Darwin (Vol. 1 and 3, of 3) An Exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions It is more than probable, it seems to me, that there exists some sort of etheric medium between mind and even organic nervous tissue, upon which the mind must act first of all. The Problems of Psychical Research Experiments and Theories in the Realm of the Supernormal Because the myelomeningocele form of spina bifida involves more extensive damage to the nervous tissue, neurological damage may persist, but symptoms can often be handled. Anatomy and Physiology 2013-06-19T00:00:00Z It is difficult in experiments to discount the effects of muscular fatigue, and to discover how far there is really impairment of nervous tissue and functions. Human Traits and their Social Significance An exceedingly slender thread of nervous tissue found in the various nervous organs, but especially in the nerves; it is of a white color. A Treatise on Physiology and Hygiene For Educational Institutions and General Readers In full confirmation of his theory, he succeeded in conferring on the nervous tissue two opposite dispositions. Sir Jagadis Chunder Bose His Life and Speeches As it is a function of nervous tissue, how can it make itself manifest at a distance of 2000 miles—at the moment, too, when it is being annihilated. The Problems of Psychical Research Experiments and Theories in the Realm of the Supernormal Similar to clinical blood work, a sample of CSF can be withdrawn to find chemical evidence of neuropathology or metabolic traces of the biochemical functions of nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z Figure 7, Sheet 8, shows the typical structure of nervous tissues. Text Book of Biology, Part 1: Vertebrata As to the causation of the 'radiation' symptoms, it is difficult to discriminate the effects of neighbouring parenchymatous hæmorrhages from those of local vibratory concussion of the nervous tissue. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre It is within the nervous tissue, they say, that the nexus of psychic states should be enclosed. The Mind and the Brain Being the Authorised Translation of L'Âme et le Corps When driven with sufficient power, this ray destroyed eyesight and nervous tissue, and its power increased still further, actually loosened the molecular structure of matter. Skylark Three Blood vessels that are nourishing the central nervous tissue are between the pia mater and the nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z A fabric, or texture, composed of cells and cell-products of one kind; as, for example, nervous tissue, muscular tissue, fatty tissue. A Handbook of Health This is a matter perhaps of less importance, since it stands to reason that a vibratory force, capable of rupturing the spinal capillaries, would at the same time damage the nervous tissue. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre Not only does overfatigue hinder growth, but it also results in the formation of certain toxins, or poisons, in the organism, which are particularly harmful to nervous tissue. The Mind and Its Education Severe physical exercise is destructive to both muscular and nervous tissues. Physiology and Hygiene for Secondary Schools In the brain, CSF is produced in special structures to perfuse through the nervous tissue of the CNS and is continuous with the interstitial fluid. Anatomy and Physiology 2013-06-19T00:00:00Z This power possessed by nervous tissue to establish certain modes of action carries with it also an increase in the ease and accuracy with which the movements are performed. Ontario Normal School Manuals: Science of Education They come from tissue forming the basis of the supporting framework of the nervous tissue. Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada Habit a Modification of Brain Tissue.—But the nervous tissue is the most sensitive and easily molded of all bodily tissues. The Mind and Its Education The main tissues of the body, as ordinarily named, are the muscular tissue, the osseous tissue, the connective tissue, the nervous tissue, the adipose tissue, the cartilaginous tissue, and the epithelial and glandular tissue. Physiology and Hygiene for Secondary Schools Oxygen and carbon dioxide are dissolved into the CSF, as they are in blood, and can diffuse between the fluid and the nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z Physical Habits.—The basis for the formation of physical habits appears also in this retentive power of nervous tissue. Ontario Normal School Manuals: Science of Education But just how the human mind is produced by or depends upon the brain, is of far less importance for us at this time than the obvious fact that mental performance requires active nervous tissues. The Doctrine of Evolution Its Basis and Its Scope A live spirit goes all through the machinery, a kind of nervous tissue of invention, of thought. Crowds A Moving-Picture of Democracy The Nerve Skeleton.—If all the other tissues are removed, leaving only the nervous tissue, a complete skeleton outline of the body still remains. Physiology and Hygiene for Secondary Schools Without a steady supply of oxygen, and to a lesser extent glucose, the nervous tissue in the brain cannot keep up its extensive electrical activity. Anatomy and Physiology 2013-06-19T00:00:00Z That this is possible is owing to the susceptibility of nervous tissue to take on habit, or to retain as permanent modifications, all impressions received. Ontario Normal School Manuals: Science of Education Phosphate of potassium is the mineral basis of muscle tissue, phosphate of lime with a small amount of magnesium phosphate the basis of bones, and phosphate of ammonium the bases of nervous tissue. Valere Aude Dare to Be Healthy, Or, The Light of Physical Regeneration But hydra has also the promise of better things, traces of muscular and nervous tissue. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 The illustration shows the extent and general arrangement of the nervous tissue. Physiology and Hygiene for Secondary Schools The innermost layer of the eye is the neural tunic, or retina, which contains the nervous tissue responsible for photoreception. Anatomy and Physiology 2013-06-19T00:00:00Z Retention—this involves the permanent changes wrought in the nervous tissue as a result of the presentation or learning process and, as mentioned above, is really physiological. Ontario Normal School Manuals: Science of Education The effort being purely mental, we may say it is accompanied by disintegration of cerebral and nervous tissue. Five Years of Theosophy Secondary Brains Yet these two organs constitute but a small proportion of the entire mass of brain and nervous tissue of the body. Psychology and Achievement Being the First of a Series of Twelve Volumes on the Applications of Psychology to the Problems of Personal and Business Efficiency Guided by the white and gray colors of the nervous tissue, and also by the structures revealed by the microscope, physiologists have made out three general schemes in the grouping of cell-bodies, as follows: 1. Physiology and Hygiene for Secondary Schools The picture you have in your mind of the nervous system probably includes the brain, the nervous tissue contained within the cranium, and the spinal cord, the extension of nervous tissue within the vertebral column. Anatomy and Physiology 2013-06-19T00:00:00Z The permanent changes brought about in the nervous tissue as a result of conscious experience is often spoken of as the physical basis of memory. Ontario Normal School Manuals: Science of Education Indeed, from an early age sexual differences pervade the whole nervous tissue. Studies in the Psychology of Sex, Volume 3 Analysis of the Sexual Impulse; Love and Pain; The Sexual Impulse in Women I was strong as a bull, and for many months I fought the sun sickness that was ripping and tearing my surface and nervous tissues to pieces. John Barleycorn Alcohol seems to have a special affinity for nervous tissue. Maintaining Health Formerly Health and Efficiency Looking at nervous tissue, there are regions that predominantly contain cell bodies and regions that are largely composed of just axons. Anatomy and Physiology 2013-06-19T00:00:00Z First among these may be mentioned the condition of the nervous tissue itself. Ontario Normal School Manuals: Science of Education This may be due to disuse; the excretions and secretions of the nervous tissues would be diminished, and the corresponding determinants less stimulated. Hormones and Heredity She has laboriously wrought this ductile nervous tissue to her own ends. Impressions and Comments It will be noticed that the highest tissue, nervous tissue, is hardly affected, but the lowest tissue, fat, almost disappears. Maintaining Health Formerly Health and Efficiency The colors ascribed to these regions are what would be seen in “fresh,” or unstained, nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z In the vertebrata, we find a brain with a spinal cord, and branching lines of nervous tissue. Vestiges of the Natural History of Creation Still, the great demands of the mind upon the nervous tissues remain. The Atlantic Monthly, Volume 03, No. 15, January, 1859 We have, besides, studied the influence of isotony, of agitation, and of oxygenation, and these experiments have enabled me to ascertain the best physical conditions required for the survival of nervous tissue. The Great Events by Famous Historians, Volume 21 The Recent Days (1910-1914) They soon found that the experiment could be so devised as to exclude any influence whatever on the part of the nervous tissues, and yet result positively. The Glands Regulating Personality The distinction between gray matter and white matter is most often applied to central nervous tissue, which has large regions that can be seen with the unaided eye. Anatomy and Physiology 2013-06-19T00:00:00Z James turned away and went down the passage to restore his nervous tissues with coffee. The Man Upstairs and Other Stories The journey was a dreary monotony that was scarcely enlivened by its discomforts, never amounting to actual accident or incident, but utterly destructive to all nervous tissue. The Story of a Mine The actions constituting the cycle must not be purely mechanical, i.e. they must be bodily movements in whose causation the special properties of nervous tissue are involved. The Analysis of Mind However, not all nervous tissue performs the same function. Anatomy and Physiology 2013-06-19T00:00:00Z The enteric nervous system includes the nervous tissue within the organs of the digestive tract. Anatomy and Physiology 2013-06-19T00:00:00Z Muscle and nervous tissues will be discussed only briefly in this chapter. Anatomy and Physiology 2013-06-19T00:00:00Z Figure 4.2 Four Types of Tissue: Body The four types of tissues are exemplified in nervous tissue, stratified squamous epithelial tissue, cardiac muscle tissue, and connective tissue in small intestine. Anatomy and Physiology 2013-06-19T00:00:00Z We have seen that they are subject to mnenic causation, and that mnenic causation may be reducible to ordinary physical causation in nervous tissue. The Analysis of Mind Note that epithelial tissue originates in all three layers, whereas nervous tissue derives primarily from the ectoderm and muscle tissue from mesoderm. Anatomy and Physiology 2013-06-19T00:00:00Z The underlying assumption is that active nervous tissue will have greater blood flow. Anatomy and Physiology 2013-06-19T00:00:00Z In the embryonic diencephalon, a structure known as the eye cup develops, which will eventually become the retina, the nervous tissue of the eye called the retina. Anatomy and Physiology 2013-06-19T00:00:00Z This is a rare example of nervous tissue developing as part of the CNS structures in the embryo, but becoming a peripheral structure in the fully formed nervous system. Anatomy and Physiology 2013-06-19T00:00:00Z Other cells in the nervous tissue, the neuroglia, include the astrocytes, microglia, oligodendrocytes, and Schwann cells. Anatomy and Physiology 2013-06-19T00:00:00Z Muscle and nervous tissues undergo either slow regeneration or do not repair at all. Anatomy and Physiology 2013-06-19T00:00:00Z Specifically, CSF circulates to remove metabolic wastes from the interstitial fluids of nervous tissues and return them to the blood stream. Anatomy and Physiology 2013-06-19T00:00:00Z Having looked at the components of nervous tissue, and the basic anatomy of the nervous system, next comes an understanding of how nervous tissue is capable of communicating within the nervous system. Anatomy and Physiology 2013-06-19T00:00:00Z The spinal cord develops out of the rest of the neural tube and retains the tube structure, with the nervous tissue thickening and the hollow center becoming a very small central canal through the cord. Anatomy and Physiology 2013-06-19T00:00:00Z The blood that nourishes the brain and spinal cord is behind the glial-cell–enforced blood-brain barrier, which limits the exchange of material from blood vessels with the interstitial fluid of the nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z With unilateral sensorineural hearing loss, however, damage to the cochlea or associated nervous tissue means that the tuning fork sounds quieter in that ear. Anatomy and Physiology 2013-06-19T00:00:00Z From the arachnoid granulations, CSF is reabsorbed into the blood, removing the waste from the privileged central nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z Somatic senses are incorporated mostly into the skin, muscles, or tendons, whereas the visceral senses come from nervous tissue incorporated into the majority of organs such as the heart or stomach. Anatomy and Physiology 2013-06-19T00:00:00Z There is not a privileged blood supply like there is to the brain and spinal cord, so peripheral nervous tissues do not need the same sort of protections. Anatomy and Physiology 2013-06-19T00:00:00Z The carina is a raised structure that contains specialized nervous tissue that induces violent coughing if a foreign body, such as food, is present. Anatomy and Physiology 2013-06-19T00:00:00Z The word enteric refers to the digestive organs, so this represents the nervous tissue that is part of the digestive system. Anatomy and Physiology 2013-06-19T00:00:00Z Based on what you know about that tissue and nervous tissue, why would there be a trade-off between them in terms of energy use? Anatomy and Physiology 2013-06-19T00:00:00Z There are a few myenteric plexuses in which the nervous tissue in the wall of the digestive tract organs can directly influence digestive function. Anatomy and Physiology 2013-06-19T00:00:00Z Beneath this level, the mesenchymal cell is a stem cell that develops only into types of connective tissue, including fibrous connective tissue, bone, cartilage, and blood, but not epithelium, muscle, and nervous tissue. Anatomy and Physiology 2013-06-19T00:00:00Z As blood pools in the nervous tissue and the vasculature is damaged, the blood-brain barrier can break down and allow additional fluid to accumulate in the region, which is known as edema. Anatomy and Physiology 2013-06-19T00:00:00Z |
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