Quick Facts
The arcuate nucleus of thalamus is the small area of the ventral posteromedial nucleus that projects to the lower part of the postcentral gyrus of the cerebral cortex. It is in this structure that the fibers of the secondary trigeminal tract and the gustatory lemniscus terminate.
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Thalamus
The motor thalamus is defined as the territory receiving subcortical afferents from the basal ganglia (nigral and pallidal afferents) and cerebellum, and subsequently projects to the primary motor area, supplementary motor area, and premotor cortex.