I750 



HUMAN ANATOMY. 



over onto the right side against the right of the spinal column, to the peritoneal 

 covering of which it has grown with the transformation into connective tissue of the 

 right serous covering of its mesentery. The second or descending portion of the 

 duodenum lies against the right of the column under the permanent parietal peri- 

 toneum, derived from the mesocolon, as is shown later. The great difficulty of un- 

 derstanding the lesser cavity is that in man the duodenum rises to so near the liver 

 that the entrance to the vestibule at the foramen of Winslow is very small. If, as in 

 many animals, these parts were more distant, it would be evident that this is a pouch- 



TiG. 1475. 



Hepatic artery 



Gastro-hepatic omentum 



Foramen of Winslow 



Gastro-pancreatic 

 fold 



Accidental peritoneal fold 



Pylorus 



First part of 

 duodenum 



Stomach 



Duodeno- 

 jejunal 

 flexure 



Peritoneum lining posterior 

 wall of lesser sac 



Transverse colon 



Greater omentum, cut 



Spleen 



Pancreas 

 Folds of greater omentum 



Gastro-splenic omentum 



The subject, lying on its back, is seen from the left side ; the stomach, except fundus, is turned over. The greater 

 omentum has been cut below the greater curvature of the stomach so as to open the lesser sac to show the foramen 

 of Winslow from the left side. 



like formation, the mouth of which is behind the edge of the lesser omentum. The 

 relations to the mesogastrium of three branches of its artery, the coeliac axis, are as 

 follows. The splenic artery, in the adult condition, lies entirely behind the perma- 

 nent peritoneum to near the hilum of the spleen, where the mesogastrium is no 

 longer attached to the wall. It then sends its terminal branches to the spleen, the 

 gastro-epiploica sinistra to the greater curvature of the stomach, and the vasa brevia 

 to the fundus. The gastric artery, originally in the mesentery of the duodenum, 

 reaches the cardiac end of the stomach through the plica gastro-pancreatica, and 

 then runs between the layers of the lesser omentum along the lesser curvature. 



