318 ANIMAL PHYSIOLOGY. 
Fic. 272.General view of horse's intestines; animal is placed on its back, and intestinal 
mass spread out (after Chauveau). 4, duodenum as it passes behind great mesenteric 
artery ; B, free portion of small intestine: C, ileoceecal portion; D, cecum; E, F, G, 
loop formed by large colon; G, pelvic*flexure ; F’, F’, point where colic loop is doubled to 
constitute suprasternal and diaphragmatic flexures. 
