Fig. 5. The lumbar venous plexus. 



a, Rectus abdominis muscle h, Intraspinous vein 



b, Rectum j, Segmental ascending artery 



c, Uterus j, Hypaxial muscle 



d, Dorsal aorta k, Caudal vein 



e, Right postcava /, Caudal artery 



/, Bladder m, Fifteenth lumbar vertebra 



g, Ureter «, First caudal vertebra 



