82 THE PHYSIOLOGY OF DIGESTION AND ABSORPTION 



FIG. 35. Human alimentary canal. 



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

 duct; g, pancreatic duct; h, ascending colon; *', transverse colon; /, descending colon'. 

 k, rectum. (Collins & Rockwell.) 



