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More model informationSuperficial palmar arch is the primary blood supply to the fingers and is the direct continuation of the ulnar artery once it enters the hand. It is an arch of arteries, which is completed by the small palmar branch of the radial artery on the radial side. It lies superficial to all the intrinsic hand muscles, and is just deep to the thick palmar aponeurosis. This arch then gives off three common digital arteries that run between the second to fourth metacarpals to reach the bases of the proximal phalanges. Here they divide to form the proper digital arteries, which run on either side of the fingers to supply them.
Sep 15th 2023
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