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biological

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internal capsule

internal capsule The internal capsule is a white matter pathway in the brain, bordered by groups of nerve cell bodies, that carries fibers traveling to and from the brainstem.

The internal capsule is a white matter pathway in the brain, bordered by groups of nerve cell bodies, that carries fibers traveling to and from the brainstem. It has three main parts: the anterior limb, the genu, and the posterior limb.