The brachial artery is the main artery of the arm and constitutes the continuation of the axillary artery. It gives off two terminal branches, the radial and ulnar arteries. According to the literature, the brachial artery might present a deviation from the normal pattern in 20% of the cases. High bifurcation of the artery seems to be the most common variation and may result in a series of complications during surgery and interventional radiology. An embryological overview is necessary for a better understanding of this variant. The brachial artery is being developed during embryonic life by the main trunk of the axis artery. The superficial brachial artery is also an important stable fetal vessel for normal arterial morphogenesis of the upper limb.
Keywords: axis artery; radial artery; radiology; surgery; ulnar artery.
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