THE INTESTINAL CANAL. 1037 



Superiorly : 



Ileo-cjecal valve ; and aperture. 



Inner Side : 



End of ileum. 



Ascending Colon. 



Anteriorly : 

 Ileum ; 

 Abdominal wall. 



Posteriorly/ : 



Quadratus lumborum muscle ; 



Transversalis abdominis ; 



Lower and outer part of the right kidney. 



Superiorly : 



Under surface right lobe of liver. 



Transverse Colon. 

 Anteriorly: 



Anterior abdominal wall ; 

 Great omentum. 



Posteriorly : 



Transverse mesocolon ; 



Descending duodenum ; 



Small intestine ; 



Greater curvature of stomach (sometimes). 



Superiorly : 



Under surface of liver and gall-bladder; 

 Greater curvature of stomach ; 

 Lower end of spleen ; 

 Tail of pancreas. 



Inferiorly : 



Small intestines. 



Descending Colon. 

 Anteriorly: 



Jejunum ; 

 Abdominal wall. 



Posteriorly : 



Quadratus lumborum muscle ; 

 Transversalis abdominis muscle; 

 Outer margin of Psoas muscle ; 

 Lower part left edge of left kidney. 



Superiorly : 



Spleen ; 



Phreno-colic ligament. 



Sigmoid Colon, 

 Anteriorly : 



Anterior abdominal wall; 



Small intestines. 



Posteriorly : 



Left ilio-psoas muscle ; 

 Posterior wall of pelvis; 

 Rectum. 



