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nounthickening 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
Definition that contains als
- arp Alsatian artist and poet who was cofounder of dadaism in Zurich; noted for abstract organic sculptures (1887-1966)
- jean arp Alsatian artist and poet who was cofounder of dadaism in Zurich; noted for abstract organic sculptures (1887-1966)
- hans arp Alsatian artist and poet who was cofounder of dadaism in Zurich; noted for abstract organic sculptures (1887-1966)