.

Anterior cerebral artery

Anterior circulation

Aorta

Basilar artery

Brachiocephalic artery

Cavernous (C4) segment

Cervical (C1) segment

Common carotid artery

External carotid artery

Internal carotid artery

Internal carotid artery.

Middle cerebral artery

Ophthalmic (C6) segment

Ophthalmic artery

Petrous (C2) segment

Posterior cerebral artery

Posterior circulation

Posterior communicating artery

Subclavian artery

Vertebral artery, extracranial

Vertebral artery, intracranial