Genu of internal capsule

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Brain: Genu of internal capsule
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Horizontal section of right cerebral hemisphere. (Capsula interna labeled at upper left.)
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Diagram of the tracts in the internal capsule. Motor tract red. The sensory tract (blue) is not direct, but formed of neurons receiving impulses from below in the thalamus and transmitting them to the cortex. The optic radiation (occipitothalamic) is shown in violet.
Latin genu capsulae internae
Gray's subject #189 836
NeuroNames hier-182

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]


Overview

The genu of internal capsule is the flexure of the internal capsule.

The fibers in the region of the genu are named the geniculate fibers; they originate in the motor part of the cerebral cortex, and, after passing downward through the base of the cerebral peduncle with the cerebrospinal fibers, undergo decussation and end in the motor nuclei of the cranial nerves of the opposite side.

External links

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.




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