n. a progressive loss of muscle bulk (wasting) associated with weakness of these muscles. It is caused by disease of the motor nerve that activates the affected muscle. Amyotrophy is a feature of any chronic neuropathy and it may be found in some diabetic patients (see diabetic amyotrophy). A combination of amyotrophy and spasticity may be found in the different forms of motor neuron disease.
Subjects: Medicine and Health.