Definitions

1. adjective

relating to or affected by amyotrophic lateral sclerosis (ALS), a progressive neurological disease

“The doctor told the patient that her condition was amyotrophic and irreversible.”

2. adjective

relating to or affected by the degeneration of motor neurons

“Amyotrophic symptoms began to show in the patient’s right arm.”

3. noun

a disease affecting the motor neurons and characterized by progressive muscle weakness and paralysis

“The patient was diagnosed with amyotrophic lateral sclerosis (ALS).”