THE ULNA. 



115 



outer, anterior, and posterior and three surfaces ante- 

 rior, inner, and posterior. The outer border is sharp, 



FIG. 54. ULNA AND RADIUS, ANTERIOR ASPECT. 



and looks toward the radius. It serves for the attach- 

 ment of the interosseous ligament. The anterior border 

 is rounded, and terminates below at the styloid process. 



