PLATE XXXVI. 



A sketch of the lumbar region of one of the operated eats, showing the most 

 important veins and changes instituted by ligation of the poet cava at I. The 

 overlying parts are removed, and the post cava turned to one side to expose 

 part of its dorsal side. 



a — Azygos. 



6 — Thirteenth rib. 



c — First lumbar vertebra. 



cZ — Pieces of the diaphragm. 



e — Adreno-lumbalis, with its branches. 



/ — Left renal vein. 



g — Vena spermatica. 



// — Seventh lumbar vertebra. 



/ — Iliac communis. 



j — Post cava, above ligature. 



k — Right adrenal. 



/ — Point of ligation. 



m — Anastomizing vessels in the ligated area. 



n — Right renal vein. 



o — The four lumbar veins. 



J) — Ilio lumbalis. 



