- continuation of Radial Artery
- curves medially beneath long flexor tendons
- posteriorly lie metacarpal bones and interosseous muscles
- completed on medial side by deep branch of ulnar artery
- curve of arch lies across upper part of palm
- level of proximal border of extended thumb
- send branches
- superiorly
- takes part in anastomosis around wrist
- inferiorly
- joins digital branches of superficial palmar arch
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