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The basal ganglia is an important part of the brain which program impulses from cerebral cortex and initiates motor activities through cerebellum and corticospinal tracts. Parkinsonism is a disorder in which there is decrease in the dopaminergic neurons in the striatum which results in motor impairment.
The components of the basal ganglia are:
Corpus Striatum- Caudate+Lentiform nucleus.
Lentiform nucleus- Putamen+Globus pallidus.
Striatum - Caudate nucleus+Putamen.
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