924 



THE ORGANS OF DIGESTION. 



The transverse colon, the longest part of the large intestine, passes transversely 

 from right to left across the abdomen, opposite the confines of the epigastric and 

 umbilical zones, into the left hypochondriac region, where it curves downward 



Anterior 



lamella of 



lumbar fascia. 



Posterior 



Middle lamella of 



lamella of lumbar fascia, 

 lumbar 



FIG. 507. Diagram of the relations of the large intestine and kidney, from behind. 



beneath the lower end of the spleen, forming the splenic flexure. In its course it 

 describes an arch, tb.3 concavity of which is directed backward toward the vertebral 

 column and a little upward ; hence the name transverse arch of the colon. This 

 is the most movable part of the colon, being almost completely invested by 



