410 



ANGIOLOGV 



cord in the adult ; it extends from the aorta to the fundus of the 

 bladder, inside the free border of the lateral false ligament 

 winding partly round the vas deferens. 



The Internal pudic, or Artery of the Bulb, passes back- 

 wards and downwards, related with the supero-lateral aspect of 

 the bladder ; it winds over the ischial arch, supplying the bulb 

 and crura of the penis. It gives off posteriorly several twigs to 



Fig. 158. 

 Distribution of the internal iliac arteiies— the pelvis opened from the light side and 

 the viscera removed. I, The tail ; II, The penis ; A, Posterior aorta ; B B, External 

 iliacs ; C C, Internal iliacs ; C Middle sacral ; 1 1, Laat lumbars ; 2 2, Internal pudics cut ; 

 S 3, Lateral sacrals ; a a, Sacro-spinals ; b h, Middle coccygeal ; c c, Lateral coccygeals ; 

 d, Superior branch of same ; e e, Ischiatics ; 4, Ilio-lumbar ; 5, Gluteal ; 6, Iliaco-femoral ; 

 /, Nutrient artery of ilium ; 7, Obturator ; g. Nutrient artery of ischium ; h, Inferior 

 branch ; i, Cavernous and crural portion. 



Cowper's gland, and anteriorly the vesico-yrostatic artery, which 

 gives a posterior branch to the prostate gland, an anterior one to 

 the vas deferens, and also twigs to the bulb of the latter, to the 

 vesicula seminalis, and walls of the bladder ; one branch is the 

 perineal artery which passes the ischial arch, and supplies the 

 anus and urethral muscle superiorly. In the female the internal 



