630 



DISTRIBUTION OF THE EXTERNAL AND INTERNAL ILIAC ARTERIES IN THE MARE. 



1, Posterior aorta ; 2, internal iliac artery ; 3, common origin of the internal pudic and tha 

 umbilical arteries (the latter is cut) ; 4, internal pudic artery ; 5, vaginal artery ; 6, lateral 

 I sacral artery ; 7, origin of the gluteal artery, which arises in this instance from the lateral 

 sacral — a circumstance most frequently observed in the Ass; 8, origin of the ilio-lumbar artery; 

 9, origin of the iliaco-femoral artery; 10, obturator artery; 11, external iliac artery; 12, 

 circumflex iliac artery (cut); 13, femoral artery; 14, common origin of the deep femoral and 

 prepubic arteries; 15, origm of the anterior great muscular artery; 16, origin of the saphena 

 artery (cut) ; 17, innominate branch ; 18, popliteal artery ; 19, femoro-popliteal ; 20, satellite 

 artery of the great femoro-popliteal nerve ; 21, posterior tibial artery ; 22, its communicating 

 branch with the saphena; 23, external plantar artery; 24, satellite artery of the internal plantar 

 nerve ; 25, digital artery. 



