multiple sclerosis

English Thesaurus

1. a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers (noun.state)

hypernym	:	degenerative disorder,
definition	:	condition leading to progressive loss of function (noun.state)

hypernym	:	induration, sclerosis,
definition	:	any pathological hardening or thickening of tissue (noun.state)

hypernym	:	autoimmune disease, autoimmune disorder,
definition	:	any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues (noun.state)

part holonym	:	demyelination,
definition	:	loss of the myelin covering of some nerve fibers resulting in their impaired function (noun.state)