Is a progressive degenerative disease of the basal nuclei that affects the dopamine-secreting pathways.

Parkinson's is a progressive degenerative disease of the basal nuclei that affects the dopamine-secreting pathways.

Explanation:

Parkinson's disease (PD) is a degenerative, progressive disorder that affects nerve cells in deep parts of the brain called the basal ganglia and the substantia nigra. Nerve cells in the substantia nigra produce the neurotransmitter dopamine and are responsible for relaying messages that plan and control body movement.

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