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The anterior choroidal artery or one of the posterior choroidal arteries. The anterior choroidal artery it is a branch of the internal carotid artery; it supplies blood to the choroid plexus of the lateral ventricle, the optic tract, the lateral geniculate body, the posterior limb of the internal capsule, the globus pallidus, and parts of the thalamus. The posterior choroidal arteries are branches of the posterior cerebral artery; they supply blood to the choroid plexus of the third ventricle.
See also: artery