Definition for Multiple sclerosis (MS)
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Revision as of 19:01, 4 March 2011 by Bio man (Talk | contribs) (Created page with " disease in which a person's own body, for reasons that are unknown, attacks and destroys myelin as if it were a foreign substance. Eventually, these repeated attacks leave scarr...")
disease in which a person's own body, for reasons that are unknown, attacks and destroys myelin as if it were a foreign substance. Eventually, these repeated attacks leave scarred (sclerotic) areas of tissue in the nervous system and impair the function of myelinated neurons that control movement, speech, memory, and emotion.