myelin_sheath | ||
1. | [ noun ] (anatomy,zoology) a layer of myelin encasing (and insulating) the axons of medullated nerve fibers | |
Synonyms: | medullary_sheath | |
Related terms: | sheath medullated_nerve_fiber axolemma nodes_of_ranvier oligodendroglia myelin | |
Similar spelling: |
myelinization myelinisation |