Princeps pollicis artery
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| Artery: Princeps pollicis artery | |
|---|---|
 | |
| Palm of left hand, showing position of skin creases and bones, and surface markings for the volar arches. | |
| Latin | arteria princeps pollicis |
| Gray's | subject #151 595 |
| Supplies | thumb |
| Source | radial artery |
| Dorlands / Elsevier | a_61/12155558 |
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The princeps pollicis (principal artery of the thumb) arises from the radial artery just as it turns medially towards the deep part of the hand; it descends between the first dorsal interosseous muscle and the oblique head of the adductor pollicis, along the medial side of the first metacarpal bone to the base of the proximal phalanx, where it lies beneath the tendon of the flexor pollicis longus muscle and divides into two branches.
These make their appearance between the medial and lateral insertions of the adductor pollicis, and run along the sides of the thumb, forming an arch on the palmar surface of the distal phalanx, from which branches are distributed to the integument and subcutaneous tissue of the thumb.
Additional images
 The radial and ulnar arteries. (Arteria princeps pollicis visible at lower left.) |
 Ulnar and radial arteries. Deep view. |
External links
- Atlas of anatomy at UMich hand_blood2 ("Palm of the hand, deep dissection, anterior view")
- Atlas of anatomy at UMich hand_blood3 ("Dorsum of the hand, deep dissection, posterior view")
- Princeps+pollicis+artery at eMedicine Dictionary
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 As such, some of the information contained herein may be outdated.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 |
Acknowledgement and Attribution Regarding Sources of Content
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 .
