Disorders of tone.
D001176:Arthrogryposis; D002490:Central Nervous System / Q000473:pathology; D002526:Cerebellar Diseases; D003655:Decerebrate State; D006801:Humans; D009046:Motor Neurons / Q000473:pathology; D009135:Muscular Diseases / Q000145:classification / Q000151:congenital / Q000209:etiology*; D009220:Myositis; D009222:Myotonia; D010264:Paraplegia; D011712:Pyramidal Tracts / Q000473:pathology; D011782:Quadriplegia