Anterior Choroidal Artery

Neurovascular Anatomy: Internal Carotid Artery: Anterior Choroidal Artery

Internal Carotid System

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Internal Carotid Artery

Cervical Segment
Petrous Segment
Cavernous Segment
Supraclinoid Segment
Ophthalmic Artery
Anterior Choroidal Artery
Posterior Communicating Artery

Anterior Cerebral Artery

Middle Cerebral Artery

Vertebral-Basilar System

Circle of Willis

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Anterior Choroidal Artery

Last branch to originate from Internal Carotid Artery.

Cisternal segment: Artery passes through crural cistern, supplies optic tract, posterior limb of internal capsule, branches to midbrain,and lateral geniculate nucleus.

Plexal segment: Supplies choroid plexus of anterior portion of temporal horn of lateral ventricles.