Origin The anterior choroidal artery typically originates from the
internal carotid artery. It may (rarely) instead arise from the
middle cerebral artery. It originates from the distal
internal carotid artery (ICA) 5 mm distal to the origin of the
posterior communicating artery and just proximal to the terminal bifurcation of the ICA. inferior to the tract.''''''
Distribution It serves structures in the prosencephalon, diencephalon, and mesencephalon: •
choroid plexus of the
lateral ventricle and
third ventricle •
optic chiasm and
optic tract • (genu, posterior limb, and retrolentiform part of)
internal capsule •
lateral geniculate body •
globus pallidus • tail of the
caudate nucleus • (
tuber cinereum of)
hippocampus •
amygdala •
substantia nigra •
red nucleus •
crus cerebri ==Clinical significance==