STRUCTURE OF THE STOMACH 



361 



Structure of the Stomach. The stomach is composed of four coats, 

 called, respectively, the external or peritoneal, the muscular, the submucous> 



FIG. 253. The Human Stomach and the Vagus Distribution. R. L., Recurrent 

 laryngeal; Ca2, inferior cervical cardiac branch; 0,3, 0,4, cardiac branches of vagus; 

 A. P. PI., P. P. PI., anterior and posterior pulmonary plexuses; Oes. PL, esophageal plexus; 

 Cast. R. and!,., gastric branches of vagus, right and left; Coe, PL, coeliac plexus; Hep. pi., 

 hepatic plexus. 



and the mucous coat. Blood vessels, lymphatics, and nerves are distributed 

 in and between them. 



