STOMACH. 



199 



Its cells produce mucus and may be divided into a basal protoplasmic por- 

 tion containing the elongated, round, or sometimes even flattened nucleus; 



Epithelium. 



Tunica prop 



m 



** 



Parietal cells. 



Chief cells. 



Leucocytes. 



Smooth muscle fibers. K : 



Parietal cell. 



Gastric pit. 



Neck. 



Body. 



Fundus. 



*m: : r*z\ *>.:. -..;(, 



H /'.. 



Gastric gland. 



V 



FIG. 223. VERTICAL SECTION OP THE Mucous MEMBRANE OP A HUMAN STOMACH, SHOWING 

 GASTRIC GLANDS (GLANDULAE GASTRICAE PROPRIAE). X 220. 



and an outer portion containing the centrosome and the secretion area. 

 The area varies in size, sometimes being large enough to suggest goblet 



