The palmar carpal arch is an anatomical term that denotes the combination (anastomosis

Anastomosis

An anastomosis is the reconnection of two streams that previously branched out, such as blood vessels or leaf veins. The term is used in medicine, biology, mycology and geology....

) of two arteries: the palmar carpal branch of the radial artery and the palmar carpal branch of the ulnar artery.

This anastomosis

Anastomosis

An anastomosis is the reconnection of two streams that previously branched out, such as blood vessels or leaf veins. The term is used in medicine, biology, mycology and geology....

 is joined by a branch from the anterior interosseous artery above, and by recurrent branches from the deep palmar arch

Deep palmar arch

The deep palmar arch is an arterial network found in the palm. It is usually formed mainly from the terminal part of the radial artery, with the ulnar artery contributing via its deep palmar branch...

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

See also

• Dorsal carpal arch
  Dorsal carpal arch
  The dorsal carpal arch is an anatomical term for the combination of dorsal carpal branch of the radial artery and the dorsal carpal branch of the ulnar artery near the back of the wrist....
  
  
• Deep palmar arch
  Deep palmar arch
  The deep palmar arch is an arterial network found in the palm. It is usually formed mainly from the terminal part of the radial artery, with the ulnar artery contributing via its deep palmar branch...
  
  
• Superficial palmar arch
  Superficial palmar arch
  The superficial palmar arch is formed predominantly by the ulnar artery, with a contribution from the superficial palmar branch of the radial artery...