ABSTRACT
A. Axillary artery-begins at the first rib and becomes the brachial artery in the upper arm at the lower border of the teres major muscle.
B. Brachial artery-splits into radial and ulnar arteries at the proximal edge of pronator teres, corresponding to the level of the neck of the radius.
C. Radial artery-divides at the wrist into a small superficial palmar artery and a large dorsal radial branch.