Arteries of the Upper Limb

One continuous arterial highway — subclavian → axillary → brachial → radial + ulnar → palmar arches — with name changes at clear landmarks. THE MAIN LINE • Subclavian artery: becomes the AXILLARY artery at the outer border of the 1st rib. • Axillary artery: 3 parts defined by pectoralis minor (1 part medial, 2 deep, 3 lateral); becomes the BRACHIAL artery at the lower border of teres major. • B…