82 THE PHYSIOLOGY OF DIGESTION AND ABSORPTION 



FIG. 35. Human alimentary canal. 



a, esophagus; b, stomach; c, cardiac orifice; d, pylorus; e, small intestine; f, 

 biliary duct; g, pancreatic duct; h, ascending colon; i, transverse colon; ;', de- 

 scending colon; k, rectum. (Collins & Rockwell.) 



