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Globus pallidus

Dr Jeremy Jones et al.

The globus pallidus (plural: globus pallidi) is a paired structure and one of the nuclei that make up the basal ganglia. It is a subcortical structure at the base of the forebrain and in anatomical relation to the caudate nucleus and putamen. Together with the putamen, is may be considered as part of the lentiform nucleus.

Each globus pallidus is itself subdivided into internal and external parts, separated by an internal medullary lamina. The two parts are called globus pallidus interna and globus pallidus externa.

Developmentally, the globus pallidus is a part of the diencephalon that has migrated to the telencephalon, but it is still considered amongst the basal ganglia.

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