The basal projection in cerebral angiography.
D002533:Cerebral Angiography; D002543:Cerebral Hemorrhage / Q000000981:diagnostic imaging; D003388:Cranial Fossa, Posterior / Q000000981:diagnostic imaging; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging; D000159:Vestibulocochlear Nerve