THE ORIGIN AND DEVELOPMENT OF GASTRIC GLANDS. 89 



cm. in length. These projections are termed " glandular proc- 

 esses " by Sevvall because he considers them to be the first evi- 

 dence of glandular formation, but it seems more probable that 

 their primary object is to increase the epithelial surface of the 



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FIG. 27. Same as Fig. 24. a., the gland fundament has here united with the 

 duct, </. ; ;/., neck cells which are clearer and rounder than those of the surface epi- 

 thelium ; ef., epithelial cells of the surface, not a part of the duct. 



stomach. The glands, which are little more than pits or depres- 

 sions, are seen at the tops of the ridges, at the sides of the ridges 

 and in the depressions between the ridges. The glands are but 

 little deeper than the original insinkings of the cells of the sur- 



FIG. 28. Represents a section taken from the cardiac region. Similar sections are 

 to be found in the fundus and also in the pyloric region ; f. , fundus ; n. , d. , neck and 

 duct; ep. , epithelium. This may have been partially caused by artificial distension 

 of the stomach. Formalin. Obj. T L, Oc. 2. 



face, but the fundus is readily distinguished as the cells are 

 round, clear, staining intensely red with eosin, while the cells of 

 the duct retain the appearance characteristic of surface epithelium 



