438 



AXGIOLOGY. 



raatic cord. On reaching the abdomen they communicate freely, 

 forming the spermatic j>lexibs, finally terminating in the cava 

 near the renal, by one or two trunks. In the female these veins 

 become the utero-ovarian, which follow the exact course of the 

 utero-ovarian arteries. 



The Lumbar veins correspond to their satellite arteries, and 

 spinal, and abdominal parietal branches. 



Fig. 1C6. 

 Viscera and veins of the porta) system. 1, Spleen ; 2, Stomacli ; 3 3, Convolution of small intestine ; 

 4, Caecum; 5, Great colon; 6 6, Floating colon and rectum; 7, Pancreas; S, liver ; a a, Portal 

 vein ; 6, Anterior mesenteric vein ; V h'. Veins of small intestine; &", lleo-csecal ; h"', Colic vein ; 

 c c, Posterior mesenteric vein; d, Gastro-splenic ; d', Posterior gastric vein; d", Splenic vein; 

 d'", Its gastric branches. 



They join the upper surface of the vena cava. The anterior ones 

 often terminate in the vena azygos. 



COMMON ILIAC VEINS. 

 (Fig. 165. a, h.) 

 These are two large, short vessels, formed by the union of the 

 external and internal iliacs, the former collecting the blood from 



