428 



ABDOMEN 



support beyond that which is afforded by the vertebral 

 column. 



FIG. 161. Planes of subdivision of the Abdominal Cavity. 



R.H Right hypochondrium. 

 R.L. Right lumbar region. 

 R.I. Right iliac region. 

 E. Epigastric region. 

 U. Umbilical region. 



H. Hypogastric region. 

 L. H. Left hypochondrium. 

 L.L. Left lumbar region. 

 L.I. Left iliac region. 



Inferiorly, the expanded iliac bones give support to the 

 abdominal walls posteriorly and laterally, whilst, in its lowest 



