178 



THE CAT. 



[CHAP, vi 



left. It is somewhat pear-shaped, hut sharply hent upon itself. Its 

 left and much larger end (c), is called the cardiac end, or cardia 

 (because it is the nearer to the heart), and it is towards this end 



Fig. 91. VERTICAL TRANSVERSE 

 SECTION OP THE COATS OF A PIG'S 

 STOMACH, MAGNIFIED 30 DIAMETERS. 



a. Gastric glands. 



b. Deeper layer of mucous membrane. 



c. Sub-mucous or areolar coat, 

 rf. Circular muscular layer. 



e. Longitudinal muscular layer. 

 /. Serous coat. 



Fig. 92. GASTRIC GLANDS FROM THE DOG'S STOMACH, 



HIGHLY MAGNIFIED. 



A. Portions of a simple tubular " Peptic " gland. 



1. Neck of the gland. 



2. Fundus. 



3. Transverse section. 

 p. Peptic cells. 



h. Central cells. , 



c. Ends of columnar cells. 



B. A gland of more complex shape. 



m. Mouth. 



n. Neck. 



tr. A deep portion cut transversely. 



that the resophagus (oe) opens into the stomach. Its opposite end is 

 called the pylorus (p), and is directly continuous with the intestine, 

 the aperture hy which the stomach opens into the latter being called 

 the pyloric orifice. 



Its deeply concave surface between the (Esophagus and pylorus is 



