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Glossar
15.03.2017
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- Glossary
Extrapyramidal system
The extrapyramidal system refers to a series of structures in the brain that play a key role in influencing motor function but are not part of the pyramidal tract. It consists of multisynaptic neuron chains. The extrapyramidal system includes numerous nuclei such as the striatum, pallidum, nucleus ruber, and substantia nigra.
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- Glossary
Pallidum
The globus pallidus, also known as the pallidum, is an important nucleus of the basal ganglia. It is a motor nucleus of the extrapyramidal system involved in the regulation of movement. The pallidum has an inhibitory and an excitatory part. The Latin name pallidus – pale – refers to the color of this nucleus.
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- Glossary
Red nucleus
The "red nucleus" owes its name to its high iron content. It can be seen with the naked eye as a large, round, reddish-colored nucleus in the midbrain. It belongs to the extrapyramidal motor system, and its central tasks are posture and muscle tone.
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- Glossary
Putamen
A nucleus of the basal ganglia that, together with the caudate nucleus, forms the striatum. As part of the extrapyramidal motor system, it is involved in voluntary motor function (intentional movement).
