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Palmar Carpal Branch of Ulnar Artery (Left)
Cardiovascular System

Palmar Carpal Branch of Ulnar Artery (Left)

Ramus carpeus palmaris arteriae ulnaris

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Quick Facts

Origin: Ulnar artery.

Course: Laterally to anastomose with the palmar carpal branch of radial artery.

Branches: Forms palmar carpal arch.

Supplied Structures: Wrist joint.

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The palmar carpal branch arises from the ulnar artery.


The palmar carpal branch of the ulnar artery crosses the distal end of the ulna deep to the flexor digitorum profundus.

It anastomoses with the corresponding branch from the radial artery, deep to the long flexor tendons.


There are no named branches, but it contributes to the formation of the palmar carpal arch.

Supplied Structures

The palmar carpal arch supplies the anterior aspect of the wrist joint.

Learn more about this topic from other Elsevier products

Ulnar Artery

ScienceDirect image

The ulnar artery also commences from 1 cm below the center of the antecubital fossa to a point on the second line that is at the junction between the proximal and middle thirds.

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