Medical Term:

motor neuron disease

 

Definition: in the plural (diseases) a generic term for a heterogenous group of disorders, all affecting motor neurons in the brain, spinal cord, or both, including spinal muscle atrophy, amyotrophic lateral sclerosis, progressive bulbar paralysis, and primary lateral sclerosis.

Synonym(s): amyotrophic lateral sclerosis

Synonym(s): motor system disease

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