Pattern of aortic arch branching may vary due to different embryological reasons. I report a variation from the classical branching of aortic arch in a 60-year old male cadaver during routine dissection. It is observed that the left subclavian artery arises from aortic arch and left common carotid artery and the right brachiocephalic trunk shares a common origin. (i.e., right subclavian artery and left common carotid artery shares a common origin). This study discusses the embryological basis for the anomalous branching and its clinical significance.
Keywords: Arch of Aorta; Brachiocephalic Trunk; Common Carotid Artery.
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Friday 31 July 2026, 00:57:21 (IST)
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