Tissue
myelin
my·e·lin [ mahy-uh-lin ]
Etymology:
Greek myelos = marrow, the ending -in
Definitions related to myelin:
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A fatty material that surrounds and protects some nerve fibers.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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Fatty, axon-enwrapping sheath that serves to speed up neural conduction, formed by concentric layers of Schwann's cell (peripheral) or oligodendrocyte (CNS) membranes; loss or damage leads to severe loss of neural function, as in multiple sclerosis.CRISP ThesaurusNational Institutes of Health, 2006
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Myelin, white, insulating sheath on the axon of many neurons. Composed of fatty materials, protein, and water, the myelin sheath is deposited in layers around axons by Schwann cells in the peripheral nervous system and by a type of neuroglia called an oligodendrocyte in the central nervous system....Encyclopedia Britannica, Inc., 2020
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