It also anastomoses with the anterior interosseous artery and the posterior interosseous artery.
2.
It also anastomoses with the anterior interosseous artery and the posterior interosseous artery.
3.
Arterial blood comes via the interosseous artery.
4.
Passing backward to the upper border of the interosseous membrane, it divides into two branches, the posterior interosseous arteries.
5.
At the lower part of the forearm it anastomoses with the termination of the volar interosseous artery, and with the dorsal carpal network.
6.
At the upper border of the pronator quadratus muscle it pierces the interosseous membrane and reaches the back of the forearm, where it anastomoses with the dorsal interosseous artery.
7.
The anterior interosseous artery supplies the deep layer of the anterior compartment of the forearm, including the flexor digitorum profundus, flexor pollicis longus, and pronator quadratus muscles.
8.
This anastomosis is joined by a branch from the anterior interosseous artery above, and by recurrent branches from the deep palmar arch below, thus forming a palmar carpal network which supplies the articulations of the wrist and carpus.
9.
The anterior interosseous artery may give off a slender branch, the arteria mediana, which accompanies the median nerve, and gives offsets to its substance; this artery is sometimes much enlarged, and runs with the nerve into the palm of the hand.
10.
It accompanies the anterior interosseous artery along the anterior of the interosseous membrane of the forearm, in the interval between the flexor pollicis longus and flexor digitorum profundus, supplying the whole of the former and ( most commonly ) the radial half of the latter, and ending below in the pronator quadratus and wrist joint.
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