Puate 5. Pig Embryo, length 9.5mm. No. 2309. Reconstruction of venous 
system of right side, mesial view from the left. Only the upper end of the right 
aortic root is shown. The ductus venosus has been cut off shortly before entering 
the common hepatic vein. The position of the omphalo-mesenteric artery is shown 
by dotted lines. The head of the Wolffian body would extend as far up as the level 
of the subclavianartery. Theconnections between stomach veins and peri-oeso- 
phageal plexus are not shown. 15.2. 
