myelin sheath

1. 1.

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

   Synonymsmedullary sheath

   Broadersheath

   Part ofmedullated nerve fiber

   PartsaxolemmaRanvier's nodesoligodendroglia

Questions about myelin sheath

What does myelin sheath mean?

myelin sheath means "a layer of myelin encasing (and insulating) the axons of medullated nerve fibers".

What is another word for myelin sheath?

Close synonyms include medullary sheath. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is myelin sheath a common word?

myelin sheath is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.