Corpus striatum

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Corpus Striatum

The Corpus Striatum (/ˈkɔːrpəs straɪˈeɪtəm/), also known as the striate body, is a complex structure in the brain that has a significant role in the regulation of motor and reward pathways.

Etymology

The term "Corpus Striatum" is derived from Latin, where "corpus" means body and "striatum" refers to the striped appearance of this part of the brain when cut in certain ways.

Anatomy

The Corpus Striatum is part of the basal ganglia, a group of nuclei in the brain associated with control of voluntary motor movements, procedural learning, habit learning, eye movements, cognition, and emotion. It is divided into two components: the caudate nucleus and the putamen. Together, these two structures form the dorsal striatum. The Corpus Striatum also includes the ventral striatum, which is composed of the nucleus accumbens and the olfactory tubercle.

Function

The Corpus Striatum plays a crucial role in the modulation of motor functions and reward-related cognitive processes. It receives glutamatergic and dopaminergic inputs from different brain areas and sends output to other components of the basal ganglia, such as the globus pallidus and the substantia nigra.

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