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(FRAME-INFO (STRING " MRI Horizontal Plane, Globus Pallidus. \(Scan compliments of Dr. K. Maravilla, Dept. of Radiology, University of Washington\). This section shows the lentiform nuclei to advantage. The lentiform nuclei are the putamen and globus pallidus: together they form a lens-shaped nuclear complex, with the putamen laterally. Although they are close anatomically, the two nuclei are functionally different: the putamen and caudate nuclei are considered functionally to be the \"input\" nuclei, while the globus pallidus is considered to be an \"output\" nucleus. The basal ganglia receive input primarily from all parts of the cortex, but they project mainly to motor and premotor areas of the frontal lobe via the thalamus. The caudate, putamen and globus pallidus lie just deep to the insula: they are separated from the gray matter of the insula cortex by \(from lateral to medial\): the extreme capsule, the claustrum, and the external capsule. "))
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