1068 



THE ORGANS OF DIGESTION. 



versd. Its edges overlap the surface of the duodenum and may be connected by 

 muscular tissue. There is an interruption at one place, below and to the left in 



Stomach. ; 



Right suprarenal 



capsule 

 -Mesocolon 

 ' Vena portx 

 j Splenic vein 

 Common bile-duct 



'uperior mesenteric 



vessels 



Mesentery 



FIG. 680. View of the abdominal viscera from behind, after removal of spinal column and posterior 

 abdominal wall. (Drawn from His' model.) 



front of the preaortic portion of the duodenum, where the root of the mesentery 

 passes, in which are contained the superior mesenteric vessels, the vein to the 

 right and the artery to the left (Figs. 634 and 679). Both vessels run in a 



. Tuber culum 



caudatum 



Venaportx 



Common bile-duct 

 Mesocolon 



Superior mesen- 

 teric vessels 



Mesentery 



FIG. 681. Same as previous figure, but with right kidney and spleen removed. (Drawn from His' model.) 



groove on the posterior surface of the head, and near the descending duodenum 

 in a groove or canal is the common bile-duct. A part of the pancreatic tissue is 

 bent around behind the vessels, which is called the lesser head. The posterior 



