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corpus striatum
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corpus striatum

anatomy
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The corpus striatum is a pair of masses within the brain, each containing two large nuclei of gray matter separated by white matter. It is part of the basal ganglia, which are deep within the cerebral hemispheres. The corpus striatum is composed of the caudate nucleus and the putamen, and together these form the striatum.12

The caudate nucleus has a C-shaped configuration, while the putamen is located deep within the cortex of the insular lobe. These structures receive extensive input from the cerebral cortex and are considered the receptive components of the corpus striatum.2

Disorders affecting the corpus striatum are linked to involuntary movements and changes in muscle tone, such as Parkinson disease and Huntington disease.2

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2 Britannica Sources
  1. human nervous system - Basal ganglia
  2. corpus striatum

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