542 



THE AETEEIES. 



5. Gluteal Artery. (Figs. 275, 13 ; 277, 7.) 



This, the most voluminous of the branches emanating from the pelvic 

 trunk, arises opposite the preceding, and from 8-10ths of an inch to 1 

 inches behind the subsacral. It is immediately reflected on the internal 



Fig. 275. 



LATERAL VIEW OF THE GENITOURINARY ORGANS IN THE MALE. 



1, Abdominal aorta ; 2, External iliac artery ; 3, Common origin of the prepubic 

 and deep femoral arteries ; 4, Prepubic artery ; 5, Posterior abdominal artery ; 6, 

 External pudic artery ; 7, Subcutaneous abdominal artery ; 8, Anterior dorsal 

 artery of the penis ; 9, 9, Anterior and posterior branches of that artery ; 10, 

 Internal iliac artery; 11, Last lumbar artery ; 12, Subsacral artery; 13, Gluteal 

 artery ; 14, Iliaco-muscular artery ; 15, Umbilical artery ; 16, Internal pudic 

 artery * 17, Its vesico-prostatic branch ; 18, Iliaco-femoral artery ; 19, Obturator 

 artery; 20, Artery of the corpus cavernosum ; 21, Posterior dorsal artery of the 

 penis a branch of the preceding ; 22, Spermatic artery ; 23, Posterior mesen- 

 teric artery ; c, Termination of the small colon ; R, Rectum ; s, Sphincter of the 

 anus ; I, Suspensory ligament of the penis ; I', Suspensory ligament of the rectum ; 

 v, Bladder ; u, Ureter ; T, Testicle ; E, Epididymis ; D, Deferent canal ; v, Vesi- 

 culae seminales ; P, Prostate ; p, Cowper's gland ; r, Crus penis ; s, Ligament of 

 the corpus cavernosum. 



border of the ilium, and emerges from the pelvis by the great sciatic notch, 

 along with the anterior gluteal nerves, dividing into several branches which 

 ramify in the texture of the great and small gluteal muscles. 



6. Obturator Artery. (Figs. 275, 19 ; 232, 10.) 

 This vessel, the origin of which has been already indicated, directs its 



