Anterior Cerebral Artery

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The anterior cerebral artery ( ACA ) is one of a pair of arteries on the brain that supplies oxygenated blood to most midline portions of the frontal lobes and superior medial parietal lobes. The two anterior cerebral arteries arise from the internal carotid artery and are part of the circle of Willis . The left and right anterior cerebral arteries are connected by the anterior communicating artery .

Overview: The anterior cerebral artery is a unique vessel, in many respects.  Phylogenetically, it is among the oldest vessels in the telencephalic species.  Embryologically, its early connection with choroidal vasculature and primary role as a rostral internal carotid artery trunk, lead to many important variations with substantial clinical significance — cerebral aneurysm and perforator AVM supply are some examples.  The following, somewhat outdated presenation on the ACA will be modified as time allows

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