als

1. 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 (synset 114129219)
   is a type of:

   • nervous disorder, neurological disease, neurological disorder - a disorder of the nervous system
   • induration, sclerosis - any pathological hardening or thickening of tissue
   same as: amyotrophic lateral sclerosis, lou gehrig's disease

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