loss of myelin from the nerve sheaths, as in multiple sclerosis.
Origin of demyelination
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The destruction or removal of the myelin sheath of a nerve fiber, as through disease.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.