- A disorder of the central nervous system marked by weakness, numbness, a loss of muscle coordination, and problems with vision, speech, and bladder control. Multiple sclerosis is thought to be an autoimmune disease in which the body's immune system destroys myelin. Myelin is a substance that contains both protein and fat (lipid), serving as a nerve insulator and helping in the transmission of nerve signals.
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Multiple sclerosis — Classification and external resources Demyelination by MS. The CD68 colored tissue shows several macrophages in the area of the lesion. Original scale 1:100 ICD … Wikipedia
multiple sclerosis — Sclerosis Scle*ro sis, n. [NL., fr. Gr. (??, fr. sklhro s hard.] 1. (Med.) Induration; hardening; especially, that form of induration produced in an organ by increase of its interstitial connective tissue. [1913 Webster] 2. (Bot.) Hardening of… … The Collaborative International Dictionary of English
multiple sclerosis — n a demyelinating disease marked by patches of hardened tissue in the brain or the spinal cord and associated esp. with partial or complete paralysis and jerking muscle tremor * * * (MS, disseminated sclerosis) a chronic disease of the nervous… … Medical dictionary
multiple sclerosis — multiple scle rosis noun uncount a serious illness affecting the nerve cells of the brain and SPINE that gradually makes it difficult for someone to move, speak, or see. Multiple sclerosis is often simply called MS … Usage of the words and phrases in modern English
multiple sclerosis — first attested 1877; so called because it occurs in patches … Etymology dictionary
multiple sclerosis — n. a chronic disease in which there is scattered demyelination of the central nervous system: it may result in speech defects, loss of muscular coordination, etc … English World dictionary
multiple sclerosis — noun a chronic progressive nervous disorder involving loss of myelin sheath around certain nerve fibers (Freq. 2) • Syn: ↑MS, ↑disseminated sclerosis, ↑disseminated multiple sclerosis • Hypernyms: ↑sclerosis, ↑induration, ↑ … Useful english dictionary
Multiple sclerosis (MS) — The National Multiple Sclerosis Society says of MS that it is "a disease that randomly attacks your central nervous system, wearing away the control you have over your body. Symptoms may range from numbness to paralysis and blindness. The… … Medical dictionary
multiple sclerosis — [[t]mʌ̱ltɪp(ə)l skləro͟ʊsɪs[/t]] N UNCOUNT Multiple sclerosis is a serious disease of the nervous system, which gradually makes a person weaker, and sometimes affects their sight or speech. The abbreviation MS is also used … English dictionary
multiple sclerosis — UK / US noun [uncountable] medical a serious illness affecting the nerve cells of the brain and spine that gradually makes it difficult for someone to move, speak, or see. Multiple sclerosis is often simply called MS … English dictionary