Familial myopathy with abnormal muscle mitochondria.
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle; D009132:Muscles / Q000473:pathology*; D009135:Muscular Diseases / Q000235:genetics / Q000473:pathology*; D009210:Myofibrils