constitutional_part_of regional_part_of Cerebral white matter Dorsal column-medial lemniscal pathway structure White matter structure of cerebral hemisphere Internal capsule FMA:61950 Internal capsule is an organ subdivision of the telencephalon which is made up primarily of myelinated axonal neural tissue (white matter). The internal capsule is a major set of fiber bundles lateral to the thalamus and caudate nucleus and medial to the putamen and globus pallidus. It projects dorsally to the white matter underlying the cerebral cortex. Internal capsule radiations fma Capsule of cerebral hemisphere