A landmark for the choroidal arteries of the fourth ventricle--branches of the posterior inferior cerebellar artery.
D001158:Arteries; D001932:Brain Neoplasms / Q000000981:diagnostic imaging*; D002528:Cerebellar Neoplasms / Q000000981:diagnostic imaging*; D002530:Cerebellopontine Angle; D002531:Cerebellum / Q000098:blood supply*; D002533:Cerebral Angiography; D002552:Cerebral Ventricles / Q000098:blood supply*; D002831:Choroid Plexus / Q000098:blood supply*; D003388:Cranial Fossa, Posterior; D005909:Glioblastoma / Q000000981:diagnostic imaging; D006801:Humans; D009442:Neurilemmoma / Q000000981:diagnostic imaging; D010524:Peripheral Nervous System Neoplasms / Q000000981:diagnostic imaging; D000159:Vestibulocochlear Nerve