THE ABDOMINAL FASCIiB AND MUSCLES 



289 



the external orifice of the inguinal canal. Its long axis is directed outward, for- 

 ward, and somewhat ventrally, and is four to five inches (ca. 10-12 cm.) in length. 



■as 



= e 



a. 



O M a S 



The medial angle is rounded and is well defined by the junction of the aponeurosis 

 with the prepubic tendon, but the lateral angle is not so sharply defined. The bor- 

 ders or crura are constituted by arciform fibers of the aponeurosis (Crus mediale, 

 19 



