amyotrophic lateral sclerosisa·my·o·tro·phic lateral sclerosis
a degenerative disease of the nerve cells that control muscular movement; Lou Gehrig's disease
Origin of amyotrophic lateral sclerosisfrom Modern Latin amyotrophia, muscular atrophy from Classical Greek a-, not + myos (see myo-) + -trophia, -trophy + -ic
amyotrophic lateral sclerosis
A chronic, progressive disease marked by gradual degeneration of the nerve cells in the spinal cord that control voluntary muscle movement, causing muscle weakness, atrophy, and eventual paralysis. Also called Lou Gehrig's disease .
- motor neurone disease