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Show 1 9 0 5 .] VASCULAR SYSTEM OP LACERTILIA. 4 7 3 by its straight as opposed to their highly sinuous course. This applies also to the affluents of the portal, which, so far as concerns the small intestine, are five in number. Text-fig. 63. Renal arteries of Ophisaurus. Ao. Aorta ; A.E. First and last renal arteries; ep. Epigastric ; Ic. Intercostal. The gastric affluents of the portal trunk arise from both sides of the stomach. On the right side is a vein which runs forward along the stomach to nearly its anterior end, but stops a little before a region of the stomach the veins of which instead of joining the main portal system open independently into the liver ; the arrangement of these veins will be considered presently. At 32* |