478 



THE MUSCULAK SYSTEM. 



spermatic funiculus or round ligament after they have passed beyond the abdominal 

 wall. 



Lig. Inguinale Reflexum Collesi. The reflexed inguinal ligament of Colles 

 (O.T. triangular fascia), is a triangular band of fibres placed behind the medial 

 superior crus of the subcutaneous inguinal ring. It consists of fibres from the 



OBLIQUUS EXTERNUS 



ABDOMINIS 



PECTORALIS MAJOR 

 SERRATUS ANTERIOR 



LATISSIMUS DORSI 



Sheath of rectus 

 abdominis' 



Anterior superior 

 iliac spine 



The inguinal ligamer 

 Subcutaneous inguinal 



Suspensory ligament 

 of penis 



Spermatic funiculus 



FIG. 424. THE LEFT OBLIQUUS EXTERNUS ABDOMINIS 



opposite external oblique aponeurosis, which, having traversed the linea alba, to gain 

 an insertion into the crest and tubercle of the pubis. 



The obliquus externus muscle is superficial in almost its whole extent. It ie 

 overlapped posteriorly by the latissimus dorsi muscle, but may be separated from 

 it just above the iliac crest by an angular interval (trigonum lumbale or triangle ol 

 Petit). 



M. Obliquus Internus Abdominis. The obliquus internus abdominis is i 

 broad thin sheet of muscle which lies between the obliquus externus and th< 



