THE ALIMENTARY CANAL 



There is no sharp line of demarcation between the fuiulus and pyloric 

 regions, the glands offering a gradual transition from the one type to 

 the other. Thus, in the human stomach, there is a broad transition 



>.- ?** 



> ----" ?&?*&* 



*s*xi# g*^m. 



FIG. 336. THE MUCOSA OF THE PYLORIC REGION OF THE HUMAN STOMACH. 

 a, b, and c, respectively the crypt, neck, and fundus zones of the glands; d, muscu- 

 laris mucosse; e, submucosa. Heinatein and eosiu. Photo. X 151. 



zone which contains both fundus and pyloric glands. Indeed, in many 

 individuals, parietal cells may be distributed throughout almost the 

 entire gastric mucosa. 



