The common interosseous artery, about 1 cm. in length, arises immediately below the tuberosity of the radius from the ulnar artery.
Passing backward to the upper border of the interosseous membrane, it divides into two branches, the anterior interosseous and posterior interosseous arteries.
Ulnar and radial arteries. Deep view.
anterior and posterior interosseous artery
anterior interosseous artery and nerve
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)