Dorsal carpal branch of the ulnar artery

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The dorsal carpal branch of the ulnar artery arises from the ulnar artery immediately above the pisiform bone, and winds backward beneath the tendon of the flexor carpi ulnaris; it passes across the dorsal surface of the carpus beneath the extensor tendons, to anastomose with a corresponding branch of the radial artery.

Dorsal carpal branch of the ulnar artery
Arteries of the back of the forearm and hand.
Details
SourceUlnar artery
BranchesDorsal carpal arch
Identifiers
Latinramus carpalis dorsalis arteriae ulnaris
TA98A12.2.09.053
TA24668
FMA22820
Anatomical terminology

Immediately after its origin, it gives off a small branch, which runs along the ulnar side of the fifth metacarpal bone, and supplies the ulnar side of the dorsal surface of the little finger.

References

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  This article incorporates text in the public domain from page 598 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"