Dorsal carpal branch of the radial artery

The dorsal carpal branch of the radial artery (posterior radial carpal artery) is a small vessel which arises beneath the extensor tendons of the thumb; crossing the carpus transversely toward the medial border of the hand, it anastomoses with the dorsal carpal branch of the ulnar artery.

Dorsal carpal branch of the radial artery
Arteries of the back of the forearm and hand.
Details
SourceRadial artery
BranchesDorsal carpal arch, dorsalis pollicis, princeps pollicis artery
Identifiers
Latinramus carpalis dorsalis arteriae radialis
TA98A12.2.09.032
TA24646
FMA22755
Anatomical terminology

The dorsal branch of the radial artery also branches into the dorsalis pollicis artery; more distally it branches into the princeps pollicis artery, and anastomoses with perforating branches of the deep palmar arch[1]

References

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  1. ^ Clinically Oriented Anatomy 7th ed. p. 781.

  This article incorporates text in the public domain from page 594 of the 20th edition of Gray's Anatomy (1918)

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  • Atlas image: hand_blood3 at the University of Michigan Health System - "Dorsum of the hand, deep dissection, posterior view"