294 



ABDOMEN 



mesentery of the small intestine, which runs obliquely from the 

 left side of the second lumbar vertebra to the right iliac fossa. 

 The upper boundary of each subdivision of the posterior and 

 lower part of the cavity of the great sac is the transverse 

 meso-colon (Fig. 134). The lateral boundary of the right part 



Liver 



Attachment of 

 falciform 

 ligament 



Tenth rib 



Gall-bladde 



Right flexure 



of the colon 



(O.T. hepatic 



flexure) 



Caecurr 



Stomach 



Spleen 



anterior angle 

 Left flexure of 

 the colon (O.T. 

 splenic flexure) 



Transverse 

 meso-colon 



Duodenum 



Descending 

 colon 



Root of 



mesentery (cut) 



Pelvic meso- 

 colon 



Pelvic 



Urinary Bladder 



FIG. 138. Abdominal viscera after removal of jejunum and ileum. 

 (Birmingham. ) 



is the ascending colon, and of the left part the descending 

 colon (Fig. 137). The lateral gutter of the right part of the 

 posterior portion of the great sac terminates below at the 

 union of the ileum with the large intestine (see Fig. 138) ; and 

 the lateral gutter on the left side is continued downwards 

 into the pelvis between the mesentery of the small intestine 

 and the mesentery of the pelvic colon. 



