How To Use Schwann In A Sentence
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The long-current idea that animal tissues grow only as a sort of deposit from the blood-vessels was now discarded, and the fact of so-called plantlike growth of animal cells, for which Schwann contended, was universally accepted.
A History of Science: in Five Volumes. Volume IV: Modern Development of the Chemical and Biological Sciences
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To develop a procedure by which Schwann cell and myelin in the peripheral nerve could be removed while the basal lamina tubes remained intact , and to obtain a long acellular nerve scaffold.
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Rat sciatic nerve Schwann cells were assayed for incorporation of DNA synthesis precursors, as described.
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Objective To study the effect of Schwann cell enclosed by antibody of neural cell adhesion molecule L1 on injured spinal cord.
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Schwannoma originating from the vagus nerve within the mediastinum is a rare, usually benign tumor.
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Rat sciatic nerve Schwann cells were assayed for incorporation of DNA synthesis precursors, as described.
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After the ascorbate treatment, the Schwann cells begin to elongate and to ensheath the neighboring axon.
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Damage to the Schwann cells leads to impairment of nerve conduction.
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Do active axons stimulate developing Schwann cells or their precursors to divide?
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Purpose:To study the histogenesis, the differential diagnosis and the prognosis of melanotic schwannoma.
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By 45 days of age, dorsal funiculi of irradiated spinal cords are well populated with fibres myelinated by oligodendrocytes and Schwann cells.
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It is also possible, however, that direct compression of axons may induce axonal damage independent of Schwann cell dysfunction.
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Eosinophillic intranuclear inclusions of Cowdry type A are found in oligodendrocyte, astrocytes, occasional neurons, ependymal cells, endothelial cells, and schwann cells.
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Studies on purified rat sciatic nerve Schwann cells have shown that proliferation invitro depends on mitogenic factors.
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Histologically, these tumors are named after the cell of origin, the Schwann cell which is also known as a neurilemmal cell, thus these tumors are also known as neurilemmomas.
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Dawes has recently canvassed members of the New Zealand Society of Otolaryngology Head and Neck Surgery for their opinion about whom to screen and how to screen when a vestibular schwannoma is suspected.
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There are also supporting tissues in the nervous system, known collectively as glia; for example, Schwann cells surround the axons of peripheral neurons, and oligodendrocytes and astrocytes ensheath the axons of central neurons.
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After peripheral nerve injuries, Schwann cells play an indispensable role in promoting regeneration by elaborating basement membrane containing extracellular matrix proteins, such as laminin
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The central portion is named the axis-cylinder; around this is a sheath of fatty material, staining black with osmic acid, named the white substance of Schwann or medullary sheath, which gives to the fiber its double contour, and the whole is enclosed in a delicate membrane, the neurolemma, primitive sheath, or nucleated sheath of Schwann (Fig. 633) 12
IX. Neurology. 1. Structure of the Nervous System
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Immunostaining of tissue sections indicates that neurons, oligodendrocytes, and nonmyelinating Schwann cells contained neurofibromin, whereas astrocytes and myelinating Schwann cells do not.
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The Schwann's cells finally form a thin membrane called the neurilemma (nyoo'rih-lem'uh; "nerve-skin" G), which still contains the nuclei of the original Schwann's cells.
The Human Brain
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Giant schwannoma of the posterior mediastinum . [ comment ] .
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Rat sciatic nerve Schwann cells were assayed for incorporation of DNA synthesis precursors, as described.
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Supporting cells of the nervous system include the capsule or satellite cells of peripheral ganglia, ependyma, neuroglia, and Schwann cells.
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Theodor Schwann, a founder of cell theory in the mid-nineteenth century, described life as 'nothing but the form under which substances capable of imbibition crystallize.'
Koestler's Solution
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The neurilemma of a medullated fibre contains myelin laid down by Schwann cells.
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Schleiden, and accepted by Schwann, the connection between the three co-existent cell-constituents was long thought to be of this nature: that the nucleolus was the first to show itself in the development of tissues, by separating out of a formative fluid (blastema, cyto-blastema), that it quickly attained a certain size, that then fine granules were precipitated out of the blastema and settled around it, and that about these there condensed a membrane.
The World's Greatest Books — Volume 15 — Science
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Schwanns cells proliferated and unmyelinated nerve fiber decreased.
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Objective To study the protective effects of Schwann cell derived neurotrophic factor (SDNF) on motoneurons of spinal anterior horn from spinal root avulsion induced cell death.
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It arises from the outer layer of the neurilemmal sheath of the Schwann cell.
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But no variant of prion protein was able to prevent demyelination when introduced specifically into the Schwann cells that surround and support peripheral nerve cells.
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(It was Schwann who first described the neurilemma in 1839, so that it is sometimes called the "sheath of Schwann.
The Human Brain