单词 | amyotrophic lateral sclerosis |
释义 | amyotrophic lateral sclerosis [¦a`mī·ǝ¦träf·ik `la·trǝl sklǝ`rō·sǝs] MEDICINE A degenerative disease of the pyramidal tracts and lower motor neurons characterized by motor weakness and a spastic condition of the limbs associated with muscular atrophy, fibrillary twitching, and final involvement of nuclei in the medulla. Also known as lateral sclerosis. |
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