Search Result for "myelin sheath":
Wordnet 3.0

NOUN (1)

1. a layer of myelin encasing (and insulating) the axons of medullated nerve fibers;
[syn: medullary sheath, myelin sheath]



WordNet (r) 3.0 (2006):

myelin sheath
    n 1: a layer of myelin encasing (and insulating) the axons of
         medullated nerve fibers [syn: medullary sheath, myelin
         sheath]