THE DIGESTIVE SYSTEM 



163 



presence of food in the stomach excites the gastric glands 

 to pour forth their secretion into the stomach. By the 



ff 



FIG. 81. Stomach in place after removal of liver and mass of intestines: 

 A, Diaphragm ; B, B 1 , thoraco-abdominal wall; C, right kidney with c, its 

 ureter; D, right suprarenal capsule; E, left kidney with e, its ureter; F, 

 spleen; G, aponeuroses of transversales ; H,H', quadrati lumborum ; /, /', 

 psoas muscles ; K, esophagus ; L, stomach ; M, duodenum ; N, origin of 

 jejunum. I, cardia; 2, greater curvature; 3, lesser curvature; 4, great 

 tuberosity or fundus; 5, small tuberosity or antrum of pylorus ; 6, pylorus; 

 7, right vagus; 8, left vagus; 9, thoracic aorta; 9', abdominal aorta; 10, in- 

 ferior diaphragmatic arteries; n, celiac axis; 12, hepatic artery; 13, right 

 gastro-epiploic; 14, coronary artery; 15, splenic artery; 16, 16', superior 

 mesenteric artery and vein; 17, inferior mesenteric artery; 18, spermatic 

 artery; 19, gall-bladder ; 20, cystic duct ; 21, hepatic duct ; 22, inferior vena 

 cava; 23, portal vein ; 24, great sympathetic (Testut). 



violent mechanical motions of this organ, performed by 

 its muscles whose fibers are so diverse in direction, the 



