amyotrophic lateral sclerosis
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.amyo·tro·phic lateral sclerosis
noun \ˌā-ˌmī-ə-ˈtrō-fik-, -ˈträ-\Definition of AMYOTROPHIC LATERAL SCLEROSIS
: a rare progressive degenerative fatal disease affecting the motor neurons, usually beginning in middle age, and characterized especially by increasing and spreading muscular weakness and atrophy —abbreviation ALS —called also Lou Gehrig's disease
Origin of AMYOTROPHIC LATERAL SCLEROSIS
2a- + my- + -trophic
First Known Use: 1875
amyotrophic lateral sclerosis
noun (Medical Dictionary)Medical Definition of AMYOTROPHIC LATERAL SCLEROSIS
: a rare fatal progressive degenerative disease that affects pyramidal motor neurons, usually begins in middle age, and is characterized especially by increasing and spreading muscular weakness—abbreviation ALS; called also Lou Gehrig's disease
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