Superficial palmar arch
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| Artery: Superficial palmar arch | |
|---|---|
 | |
| Palm of left hand, showing position of skin creases and bones, and surface markings for the volar arches. | |
| Latin | arcus palmaris superficialis, arcus volaris superficialis |
| Gray's | subject #152 598 |
| Source | ulnar (primarily), superficial palmar branch of the radial artery |
| Branches | common palmar digital |
| Vein | superficial palmar venous arch |
| Dorlands / Elsevier | a_58/12150655 |
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The superficial palmar arch (superficial volar arch) is formed predominantly by the ulnar artery, with a contribution from the superficial palmar branch of the radial artery.
The arch passes across the palm in a curve with its convexity downward.
If one were to fully extend the thumb, the superficial palmar arch would lie approximately at the level of a line drawn from the distal border of the thumb across the palm. The superficial palmar arch is more distal than the deep palmar arch.
Three common palmar digital arteries (also called ulnar metacarpal arteries) arise from the arch, proceeding down on the second, third, and fourth lumbrical muscles, respectively. They each receive a contribution from a palmar metacarpal artery. Near the level of the metacarpophalangeal joints, each common palmar digital artery divides into two proper palmar digital arteries.
See also
Additional images
 The palmar aponeurosis. |
 The radial and ulnar arteries. |
External links
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
List of arteries of upper limbs | |
|---|---|
| Axillary | scapular anastomosis - 1st part superior thoracic - 2nd part thoracoacromial (deltoid branch) - lateral thoracic - 3rd part subscapular (circumflex scapular, thoracodorsal) - anterior humeral circumflex - posterior humeral circumflex |
| Brachial | profunda brachii (radial collateral, medial collateral) - ulnar collateral artery (superior, inferior) |
| Radial | forearm: radial recurrent
wrist/carpus: dorsal carpal branch - palmar carpal branch hand: superficial palmar branch - princeps pollicis (radial of index finger) |
| Ulnar | forearm: ulnar recurrent (anterior, posterior) - common interosseous (anterior, posterior, recurrent)
wrist/carpus: dorsal carpal branch - palmar carpal branch hand: deep palmar branch |
| Arches | dorsal carpal arch: dorsal metacarpal (dorsal digital)
superficial palmar arch: common palmar digital (proper palmar digital) deep palmar arch: palmar metacarpal |
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
