Meaning of MYELIN SHEATH
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 WordNet Dictionary |
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| | Definition: | |
[n] a layer of myelin encasing (and insulating) the axons of medullated nerve fibers |
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| | Synonyms: | | medullary sheath |
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| | See Also: | | axolemma, case, medulla, medullated nerve fiber, myelin, myelinated nerve fiber, myeline, nodes of Ranvier, oligodendria, oligodendroglia, Ranvier's nodes, sheath | |
| Biology Dictionary |
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| | Definition: | | A sheath of white, fatty protein (myelin) that covers and acts as an electrical insulator for nerve fibers. |
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