ABDOMINAL AORTA. 



405 



from the aorta and partly from the inferior phrenic ; 7, placed on the front of the aorta 

 below the origin of the spermatic arteries ; 7, 7', placed on the psoas muscles, point to 

 the right and left spermatic arteries as they descend to the internal inguinal apertures ; 

 8, inferior mesenteric artery ; 9, lumbar arteries, of which the lowest is here represented 

 as proceeding from the middle sacral artery ; 10, common iliac arteries ; 11, between 

 the external and internal iliac arteries ; 12, left epigastric artery ; 13, circumflex iliac; 

 1 i, branches of the ilio-lurnbar. 



Fig. 28?. 



