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Neurosurgery deals with complex critical anatomy in tight spaces, hidden by web-like membranes and sometimes bloody fields. To a neurosurgeon, the value of always knowing where you are and what is hidden is very high. Cerebral arteries and their branching patterns and segments are key landmarks, providing orientation in deep cerebral territory. This talk will provide a neurosurgeon’s perspective on seven key cerebral artery segments: Posterior Communicating Artery, Anterior Choroidal Artery, M1-M2 segments of the Middle Cerebral Artery, Anterior Communicating Artery, P1-P2 segments of the Posterior Communicating Artery, Basilar Artery, and Posterior Inferior Cerebellar Artery. Using 2D medical illustrations, 3D anatomical models, and cadaver dissections, the presentation will identify anatomical relationships, subarachnoid cisterns, surgical triangles, perforators, and segments related...