muscle tissue disorder atrophic muscular disease UMLS:C0752352 MONDO:0004714 MEDGEN:156267 A group of primary or secondary disorders affecting the muscles. It is characterized by an abnormal reduction in the muscle volume and atrophy. The atrophy may be caused by diseases of the muscle tissues or diseases of the peripheral nerves. atrophic muscular disorder NCIT:C84574 DOID:913 GARD:0024096 neuromuscular disease