Anterior Cerebral Artery
Multiple Choice Questions in Neurology: Anterior communicating artery (ACom) originates from which part of the anterior cerebral artery (ACA)? A3 - segment A1 - segment A2 - segment A4 - segment Anterior Cerebral Artery Anterior Communicating Artery (ACom) It is about 4 mm in length. The anterior communicating artery is an anastomosis between the left & right anterior cerebral artery circulation. It originates from the anterior cerebral artery - A1 segment. Applied Anatomy Anterior communicating artery (ACom) is the most common site for intracranial aneurysm. Anterior communicating artery (ACom) aneurysm may cause bitemporal heteronymous hemianopia. Anterior Cerebral Artery Anterior cerebral artery arises from the internal carotid artery. It is divided into five segments. A1: Pre-communicating segment Medial lenticulostriate arteries Anterior communicating artery A2: Post-communicating segment Recurrent artery of Heubner Orbitofrontal artery Frontopolar artery A3: Pre-callosa...