nervous system AE parkinson's disease AE 10061536 帕金森综合症 paralysis agitans AE WEB: http://en.wikipedia.org/wiki/Parkinson's_disease hypokinetic rigid syndrome AE choreia AE a nervous system AE that shows a degenerative disorder of the central nervous system. The motor symptoms of Parkinson's disease result from the death of dopamine-generating cells in the substantia nigra, a region of the midbrain, the cause of this cell death is unknown. JX, LW, YH idiopathic/primary parkinsonism AE