THE PERINEUM 



375 



and 4) ; and accompanies the internal pudenda! vessels through 

 the greater sciatic foramen (p. 417). It then passes downwards 

 on the dorsal surface of the sacro-spinous (small sacro-sciatic) 



Parietal 



peritoneum 



Fascia 



transversalis 



Fascia of Scarp 



ascia of Camper 



Bladder I H 

 II 

 If 

 l| 



Pubo-prostatic /' 

 ligament 



Frost 



Deep dorsal 

 vein of penis 



Urethra 



!ulb of corpus 



cavernosum 



urethrse 



Bulbo-caver- 



nosus muscle 



Prepuce 



Fossa 

 navicularis 



Parietal pelvic 

 fascia 



Sacro-genital 



fold 



Ductus defereri 



Recto-vesical 



fascia 



Ejaculatory 



duct 



Upper fascia of 



urogenital 



diaphragm 



Lower fascia ol 



urogenital 



diaphragm 



Anal canal 



Fascia of Colles 



FIG. 115. Diagram of Median Section through Male Pelvis, showing the 

 arrangement of the Peritoneum, the Endopelvic Fascia and the Fascia 

 of Colles. 



ligament and enters the posterior part of the ischio-rectal fossa 

 through the lesser sciatic foramen. In Alcock's canal, it gives 

 off the inferior hczmorrhoidal and divides into the perineal nerve 

 and the dorsal nerve of the penis. 



24 6 



