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by 1881, from French, first word from Greek a-, privative prefix, + mys, myos "muscle" (see muscle (n.)) + trophikos "feeding," from trophe "nourishment" (see -trophy). Often known in U.S. as Lou Gehrig's disease, after the New York Yankees baseball player (1903-1941) who was diagnosed with it in 1939.
amyotrophic lateral sclerosis a·my·o·troph·ic lateral sclerosis (ā-mī'ə-trŏf'ĭk, -trō'fĭk)
A disease of the motor tracts of the lateral columns and anterior horns of the spinal cord, causing progressive muscular atrophy, increased reflexes, fibrillary twitching, and spastic irritability of muscles. Also called Charcot's disease, Lou Gehrig's disease.
|amyotrophic lateral sclerosis |
A chronic, progressive neurologic disease marked by gradual degeneration of the neurons in the spinal cord that control voluntary muscle movement. The disorder causes muscle weakness and atrophy and usually results in death. Also called Lou Gehrig's disease, after the American baseball player (1903-41) who was the first public figure to suffer from the disease.