234 



THE PANCREAS. 



FIG. 132. Excretory ducts of the pancreas: A, pancreas, with a, its head; B, 

 duodenum; C, jejunum; D, gall-bladder. 1, main pancreatic duct of Wirsung; 

 2, accessory duct with 2', its opening upon the postero-internal wall of the duo- 

 denum; 3, ampulla of Vater; 4, common bile-duct; 5, cystic duct; 6, hepatic duct; 

 7, aorta ; 8, superior mesenteric vessels ; 9, celiac axis with its three branches(Testut). 



too, falls from 1030 to 1010. The following table gives its com- 

 position : 



Pancreatic Juice of Dog (C. Schmidt). 



Less is known as to the chemical composition of human pancre- 

 atic juice. Herter obtained the fluid from an enlarged duct caused 

 by carcinoma of the duodenum. In 1000 parts of this there were 

 24.1 parts of total solids, 17.8 parts of organic matter, and 6.2 

 parts of ash. Zadawsky obtained the juice from a young woman 



