DIGESTIVE SYSTEM 



127 



simple tubular character. Further, there is a pyloric region 

 with glands of a compound nature, and a cardiac region with 

 short, slightly convoluted glands. The intermedian zone, where 

 pyloric and fundus glands are found together, is broadest in 

 man and the dog, narrower in the cat, and still smaller in the 

 other mammals. 1 



Gastric glands of man. (Oppel, Part I.) 



FIG. 69. Diagram of the pyloric glands : 

 z, folds; a, excretory ducts of the 

 glands ; k, neck of gland ; k' , gland 

 body ; g, fundus of gland ; /, lymph- 

 follicle. 



FIG. 70. Pepsine gland from 

 middle of stomach. 



FIG. 71. Diagram of the cardiac glands: z, folds; a, excretory ducts of glands; 

 h, neck of gland; k, gland body; g, fundus of gland; e, connective tissue. 



With the exception of the species of semnopithecus, in which 

 the stomach shows atavistic transverse constrictions, the stom- 

 ach of the apes and anthropoids closely resembles that of man, 

 the chimpanzee alone possessing the distinctive character of 



1 Ellenberger, loc. cit., p. 679. 



