amyotrophic lateral sclerosis

Noun

1.

amyotrophic lateral sclerosis - thickening of tissue in the motor tracts of the lateral columns and anterior horns of the spinal cord; results in progressive muscle atrophy that starts in the limbs Synonyms: ALS, Lou Gehrig's disease

ALS, induration, Lou Gehrig's disease, nervous disorder, neurological disease, neurological disorder, sclerosis