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Brain: Corpus striatum
Gray656.png
Diagrammatic coronal section of brain to show relations of neopallium. Cs. Corpus striatum. Th. Thalamus.
Gray741.png
Two views of a model of the striatum: A, lateral aspect; B, mesal aspect.
Gray's subject #189 833
NeuroNames ancil-255
MeSH Corpus+Striatum

The corpus striatum (striated body) is a compound structure consisting of the caudate nucleus and the lentiform nucleus, which consists of the putamen and the globus pallidus.[1 ]

Contents

Definitions

The term has been used in a few different ways:

Appearance

From lateral to medial, the corpus striatum is composed of the external capsule (white matter), the lentiform nucleus (gray matter), the internal capsule (white matter), and the caudate nucleus (gray matter). The alternating white and gray matter give it a striated appearance.

Anatomy

The corpus striatum has received its name from the striped appearance which a section of its anterior part presents, in consequence of diverging white fibers being mixed with the gray substance which forms its chief mass.

A part of the corpus striatum is imbedded in the white substance of the hemisphere, and is therefore external to the ventricle; it is termed the extraventricular portion, or the lenticular nucleus.

The remainder, however, projects into the ventricle, and is named the intraventricular portion, or the caudate nucleus.

References

External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

See also

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