Cerebral
Arterial Circle (of Willis) Anatomy
Vessels
dissected out: inferior view, Anterior cerebral artery (A2 segment), Anterior
communicating artery, Anterior cerebral artery (A1 segment), Ophthalmic artery,
Internal carotid artery, Middle cerebral artery, Posterior communicating artery,
Posterior cerebral artery (P2 segment) (P1 segment), Superior cerebellar artery,
Basilar artery, Pontine arteries, Anterior inferior cerebellar artery, Anteromedial
central (perforating) arteries, Long medial striate artery (recurrent artery of
Heubner), Anterolateral central (lenticulostriate) arteries,
Superior
hypophyseal artery, Inferior hypophyseal artery, Anterior choroidal artery, Thalamotuberal
artery, Posteromedial central (perforating) arteries, Thalamoperforating artery,
Posteromedial central (paramedian) arteries, Labyrinthine artery, Vertebral
artery, Vessels in situ: inferior view, Anterior cerebral artery, Hypothalamic
artery, Internal carotid artery, Middle cerebral artery, Inferior hypophyseal
artery, Posterior communicating artery, Efferent hypophyseal veins, Posterior
cerebral artery, Anterior communicating artery, Optic chiasm, Cavernous sinus, Infundibulum
and portal veins of hypophysis, Anterior lobe (adenohypophysis) of pituitary
gland, Posterior lobe (neurohypophysis) of pituitary gland, Posteromedial
central (perforating) arteries, Superior cerebellar artery Basilar artery
