title: Variations in muscle status with age and systemic diseases.
mesh_terms: D000009:Abdominal Muscles / Q000473:pathology; D058186:Acute Kidney Injury / Q000473:pathology; D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D000856:Anorexia Nervosa / Q000473:pathology; D001284:Atrophy; D001930:Brain Injuries / Q000473:pathology; D001984:Bronchial Neoplasms / Q000473:pathology; D002648:Child; D002675:Child, Preschool; D003882:Dermatomyositis / Q000473:pathology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007676:Kidney Failure, Chronic / Q000473:pathology; D008875:Middle Aged; D009132:Muscles / Q000473:pathology* / Q000503:physiopathology; D009157:Myasthenia Gravis / Q000473:pathology; D009203:Myocardial Infarction / Q000473:pathology; D010013:Osteogenesis Imperfecta / Q000473:pathology