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ANATOMY AND PHYSIOLOGY 



' Right innominate vein 



Superior vena cava 

 Right pulminary artery 



Inferior vena cava 



Left branch of portal vein 

 Ductus venosus 



Umbilical vein 

 Portal vein 



Right branch of 

 portal vein 



Umbilical vein 

 Umbilical arteries 



Umbilical artery 



Left innominate 

 vein 



Arch of aorta 

 Ductus arteriosus 



Left pulmonary 

 artery 



Descending aorta 



[Superior 

 mesenteric artery 



Splenic vein 



Superior 

 mesenteric vein 



Inferior 

 mesenteric artery 



Left common iliac 

 artery 



Hypogastric artery 



External iliac 

 artery 



FIG. 231. THE HEART, WITH THE ARCH OF THE AORTA, THE PULMONARY ARTERY, THE 

 DUCTUS ARTERIOSUS, AND THE VESSELS CONCERNED IN THE FETAL CIRCULATION. (Morris.) 

 (From a preparation of a fetus in the Museum of St Bartholomew's Hospital.) 



