138 



PLATE LXX1. 



VISCERA, &c. 



A Pelvic fascis. 



B Obturator fascia. 



C Placed below Alcock's canal for the 



internal vessels and nerve. 

 D Levator ani covered by anal fascia. 

 E Sphincter ani. 

 F Coccygeus. 

 G Spine of ischium. 

 H Section of body of the pubes. 

 K Section of descending ramus of the 



pubes. 



L Corpus cavernosum. 

 L' Origin of corpus cavernosum from the 



ramus of ischium (crus penis). 

 M Erector penis. 

 N Accelerator urina). 



Corpus spongiosum. 



P Suspensory ligament of penis. 



R Origin of adductor longus. 



8 Origin of adductores brevis and 



magnus. 



T Origin of obturator externus. 

 U Origin of obturator interims. 

 V Muscular coat of bladder. 

 W Placed on the lateral surface of bladder 



where it is covered by peritoneum. 

 X Vas deferens. 

 Y Ureter. 

 Z Placed, on the loose cellular tissue 



covering the anterior surface of the 



bladder. 

 * Urachus. 



VESSELS 



a Aorta. 



b Inferior vena cava. 



c Eight common iliac. 



d Left common iliac. 



e Lumbar arteries. 



/ Sacra media. 



g Eight external iliac. 



h Eight internal iliac. 



i Gluteal. 



k Sciatic. 

 I Internal pudic. 

 m Inferior hnemorrhoidal. 

 n Dorsal artery of the penis. 

 o Superficial perineal. 

 p Obturator artery. 

 r Superior vesical. 

 s Obliterated hypogastrio. 

 t Inferior vesical. 

 M Superior hremorrhoidal. 



NERVES 



1 Lumbo-sacral cord. 



2 First \ 



8 Second \ sacral nerves. 



4 Third ) 



5 Great sacro-sciatic. 

 C Small sacro-sciatio. 

 7 Internal pudic. 



8 Inferior hasmorrhoidal. 



9 Superficial perineal. 



10 Dorsal nerve of penis. 



11 Perineal branch of fourth sacral. 



12 Accessory twig from fourth sacral to 



skin. 



