THE CIRCULATORY OR VASCULAR SYSTEM IOQ 



below the bend of the elbow, where it divides into radial 

 and ulnar arteries. It gives off the following branches: 



Superior profunda. 

 Nutrient. 



Inferior profunda. 

 Anastomotica magna. 

 Muscular. 



The radial artery is a branch of the brachial, and 

 appears to be a continuation of this artery; its course is 

 along the radial side of the forearm from the elbow to the 

 wrist; passing backward around the thumb, it runs be- 



FIG. 55. Dorsal arteries of hand : cdr, Eadial posterior carpal ; cdu, ulnar 

 posterior carpal; mdr, dorsales pollicis ; imd*, imd*, zw^V dorsal interossei ; 

 imv*, posterior perforating; dd, dorsal digital (after Henle). 



tween the heads of the first dorsal interosseous muscle 

 into the palm of the hand, forming the deep palmar 

 arch. 



For descriptive purposes this artery is divided into 

 three parts, which correspond with the parts which it 



