Extrapyramidal system (striatum )

The extrapyramidal system, also known as the basal ganglia, is a group of nuclei located deep within the brain, including the striatum. The striatum is composed of two main structures, the caudate nucleus and the putamen, which are interconnected and play a critical role in motor control and learning. The striatum receives input from various parts of the brain, including the cortex, thalamus, and substantia nigra, and sends output to other parts of the brain, such as the thalamus and brainstem. It is involved in the initiation and modulation of voluntary movements, as well as the regulation of muscle tone and posture. Dysfunction of the extrapyramidal system can result in movement disorders such as Parkinson's disease, Huntington's disease, and dystonia. Treatment for these disorders often involves medications that target the striatum, such as dopamine agonists or inhibitors. Function: Model demonstration cone External conduction, striatum- Substantia n…

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