408 



ANGIOLOGY. 



The Renal arteries, right and left, leave the aorta at right 

 angles, almost corresponding with the anterior mesenteric artery ; 

 the right, having to cross the vena cava, is the longer. They pass 

 straight to the hilus of the kidney. Reaching the limiting layer, 

 they break up and form the capillary network, and Malpighian 



Fig. 157. 

 Breaking up of the posterior aorta — the pelvis being opened on the left side, 

 1, Spermatic cord divided ; 2, Septum scroti ; 3, Penis ; 4, Bladder ; 5, Left 

 vesicula seminalis ; 6, Rectum. Arteries— A, Posterior aorta ; a, Spermatic ; 

 b, External iliac; I', Circumflex ilii ; b" V", Branches to iliac glands; b'"', 

 Small testicular; c, Prepubian ; c', Epigastric; c", External pubic; B B, 

 Internal iliacs ; d, Left ilio-lumbar ; e, Common Origin of umbilical and 

 internal pudic, e', Umbilical, e", Internal pudic ; /, Lateral sacral; g, Plight 

 ilio-lumbar ; h, Gluteal ; i, Iliaco-femoral ; 1:, Obturator. 



tufts (see Kidney). An anterior branch supplies the suprarenal 

 capsule. 



The Spermatic arteries, right and left, become, in the female, 

 the utero-ovarian. They spring from the under surface of the 

 posterior aorta, near the posterior mesenteric, it may be behind, 



