THE ULNAR ARTERY 



597 



and the Abductor pollicis longus, and runs down the back of the forearm between 

 the superficial and deep layers of muscles, to both of which it distributes branches. 

 Where it lies upon the Abductor pollicis longus and the Extensor pollicis brevis, 



Inf. ulnar collateral 



Posterior ulnar recurrent 



A. profunda brachii 



Dorsal interosseous 





Termination of volar 

 interosseous 



Dorsal radial carpal 



FIG. 529. Arteries of the back of the forearm and hand. 



it is accompanied by the dorsal interosseous nerve. At the lower part of the fore- 

 arm it anastomoses with the termination of the volar interosseous artery, and with 

 the dorsal carpal network. It gives off, near its origin, the interosseous recurrent 

 artery, which ascends to the interval between the lateral epicondyle and olecranon, 



