Myelin sheath

/ˌmaɪələn ʃiθ/

IPA guide

Other forms: myelin sheaths

Definitions of myelin sheath

noun
a layer of myelin encasing (and insulating) the axons of medullated nerve fibers

synonyms: medullary sheath

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type of:
case, sheath
an enveloping structure or covering enclosing an animal or plant organ or part

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