The palmar carpal arch is the combination (

anastomosis An anastomosis (, plural anastomoses) is a connection or opening between two things (especially cavities or passages) that are normally diverging or branching, such as between blood vessels, leaf#Veins, leaf veins, or streams. Such a connection m ...

) of two arteries: the

Palmar carpal branch of radial artery The palmar carpal branch of the radial artery is a small branch of the radial artery In human anatomy, the radial artery is the main artery of the lateral aspect of the forearm. Structure The radial artery arises from the bifurcation of the ...

and the

palmar carpal branch of ulnar artery The palmar carpal branch of ulnar artery (volar carpal branch) is a small vessel which crosses the front of the carpus beneath the tendons of the Flexor digitorum profundus, and anastomoses with the corresponding branch of the radial artery In ...

. This

is joined by a branch from the

anterior interosseous artery The anterior interosseous artery (volar interosseous artery) is an artery in the forearm. It is a branch of the common interosseous artery. Course It passes down the forearm on the palmar surface of the interosseous membrane. It is accompanied ...

above, and by recurrent branches from the

deep palmar arch The deep palmar arch (deep volar arch) is an arterial network found in the palm. It is usually primarily formed from the terminal part of the radial artery. The ulnar artery also contributes through an anastomosis. This is in contrast to the supe ...

below, thus forming a palmar carpal network which supplies the articulations of the wrist and carpus.

References

Arteries of the upper limb {{Portal bar, Anatomy

See also

References