The corpus striatum is a region of the brain that is part of the basal ganglia. It is composed of two main structures: the caudate nucleus and the putamen. These two structures are closely interconnected and work together to regulate movement and motor control.
The caudate nucleus is a C-shaped structure that is located on the medial side of the brain. It plays a key role in coordinating movements, particularly those that require precision and coordination. It also has connections to other regions of the brain involved in learning and memory.
The putamen is located adjacent to the caudate nucleus and is involved in the regulation of movement and motor planning. It receives input from several regions of the brain, including the cerebral cortex, and sends output to other regions of the basal ganglia.
The globus pallidus is another structure that is part of the basal ganglia and is located within the lentiform nucleus. It is involved in the inhibition of unwanted movements and works in conjunction with the caudate nucleus and putamen to regulate motor activity.
Together, the caudate nucleus, putamen, globus pallidus, and other structures make up the corpus striatum, which plays a crucial role in motor control, movement coordination, and various cognitive functions. Dysfunction in the corpus striatum can lead to movement disorders such as Parkinson's disease and Huntington's disease.
Corpus striatum
Caudate nucleus.
Putamen and Corpus striatum
Globus pallidus Lentiform nucleus
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