| Anterior interosseous artery | |
|---|---|
 Ulnar andradial arteries, deep view (volar interosseous labeled vertically at center) | |
 Arteries in theelbow (anterior interosseous artery labelled asvolar interosseous artery) | |
| Details | |
| Source | Common interosseous artery |
| Branches | Muscular branches, nutrient arteries ofradius andulna, branch topalmar carpal network |
| Supplies | Forearm includingradius andulna,flexor pollicis longus,flexor digitorum profundus,pronator quadratus |
| Identifiers | |
| Latin | arteria interossea anterior, arteria interossea volaris |
| TA98 | A12.2.09.048 |
| TA2 | 4662 |
| FMA | 22810 |
| Anatomical terminology | |
Theanterior interosseous artery (volar interosseous artery) is anartery in the forearm.[1] It is a branch of thecommon interosseous artery.
It passes down theforearm on thepalmar surface of theinterosseous membrane.[2]
It is accompanied by thepalmar interosseous branch of themedian nerve, and overlapped by the contiguous margins of theflexor digitorum profundus andflexor pollicis longus muscles, giving off in this situation muscular branches, and thenutrient arteries of theradius andulna.
At the upper border of thepronator quadratus muscle it pierces the interosseous membrane and reaches the back of the forearm, where it anastomoses with thedorsal interosseous artery.
It then descends, in company with the terminal portion of thedorsal interosseous nerve, to the back of the wrist to join thedorsal carpal network.
The anterior interosseous artery may give off a slender branch, themedian artery, which accompanies themedian nerve, and gives offsets to its substance; this artery is sometimes much enlarged, and runs with the nerve into the palm of the hand.
Before it pierces the interosseous membrane the anterior interosseous sends a branch downward behind thepronator quadratus muscle to join thepalmar carpal network.
The anterior interosseous artery supplies the deep layer of theanterior compartment of the forearm, including theflexor digitorum profundus,flexor pollicis longus, andpronator quadratus muscles.
This article incorporates text in thepublic domain frompage 596 of the 20th edition ofGray's Anatomy(1918)
