A VARIABLE ORIGIN OF VERTEBRAL ARTERY

Abstract : The vertebral artery is important to posterior circulation of brain. Accurate knowledge of the normal and variant arterial anatomy of the vertebral artery is important for vascular pathology and clinical procedures. In the present paper, a variation of vertebral artery on the left side arising from the arch of aorta has been reported. Further its embryological basis and applied aspects are discussed in detail. Keyword : vertebral artery, variations, sub -clavian artery, arch of aorta.