480 A MANUAL OF ANA TOMY. 



the peritoneum is seen to turn around to its under surface, 

 which it covers. When the small opening of the foramen 

 of Winslow is reached this layer becomes continuous with 

 the anterior layer already described, and then is said to 

 "pass through the foramen," forming the posterior cover- 

 ing for the liver and stomach and also of the gastrohepatic 



Diag. 41. A TRANSVERSE SECTION IN THE UPPER REGION OF THE ABDOMEN. 

 (Modified from Heath" 1 s Anatomy.} \ t Stomach. 2, Liver. 3, Spleen. 4, Pancreas. 

 5, Left kidney. 6, Aorta at the cceliac axis and its three branches. 7, Inferior vena 

 cava. 8, Right kidney, a, Gastrohepatic omentum. d, Cavity of great omentum. 

 c, Gastrosplenic omentum. d, General peritoneal cavity. Arrow indicates its com- 

 munication through foramen of Winslow with 6. 



omentum. (Remember, we are now within the cavity of 

 the great omentum or lesser peritoneum.) Passing onward 

 to the left, this layer covers in the posterior wall of the 

 stomach and turns to reach the spleen (forming the right 

 side of the gastrosplenic omentum), then from the spleen 

 to the back part of the abdomen, and turning to the right 

 covers the structures at the back of the abdomen, viz. : 



