Medical Definition of Parkinson's disease
: a chronic progressive neurological disease chiefly of later life that is linked to decreased dopamine production in the substantia nigra, is of unknown cause, and is marked especially by tremor of resting muscles, rigidity, slowness of movement, impaired balance, and a shuffling gait—called also paralysis agitans, parkinsonian syndrome, parkinsonism, Parkinson's syndrome
Variants of parkinson's disease
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Dictionary: Definition of "Parkinson's disease"
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