Quick Facts
The anterior communicating artery is a single anastomotic vessel that arises from and connects both the right and left anterior cerebral arteries. It forms part of the cerebral arterial circle (aka circle of Willis).
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Anterior Communicating Artery
The anterior communicating artery is frequently the site of origin of one or two, but as many as four branches that terminate, in descending order of frequency, in the suprachiasmatic area, dorsal surface of the optic chiasm, anterior perforated substance, and frontal lobe, and perfuse the fornix, corpus callosum, septal region, and anterior cingulum (Dunker & Harris, 1976).
