Quick Facts
The globus pallidus lateral segment (aka globus pallidus external segment) is a subcortical area of the brain. It is the inner, light gray portion of the lentiform nucleus and is a major part of the basal ganglia. The globus pallidus is divided into internal and external parts, which are separated by the medial medullary lamina. These subcortical areas communicate with the subthalamus.
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Globus pallidus
The dorsal pallidum is the major portion of the globus pallidus situated superior to the anterior commissure.
