438 



ANGIOLOGT. 



matic cord. On reaching the abdomen they communicate freely, 

 forming the spermatic pleccuSj finally terminating in the cava 

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

 become the utero-ovariariy which follow the exact course of the 

 utero-ovarian arteries. 



The Lumbar veins correspond to their vsatellite arteries, and 

 result from muscular, spinal, and abdominal parietal branches. 



Fiu. 166. 

 ViscerA and veins of the portal system. 1, Spleen : 2, Stomach ; 3 Z, Convolution of small Iiite8> 

 Ine ; 4, CwcTjm • 5, Great colon ; 6, Floating c<»lon and tectum ; 7, Pancreas; 8; Liver; a a, 

 Portal vein ; h, Anterior mesenteric vein ; 2/ V, Veins of small intestine ; V, Ileo-caacal; &"', Colie 

 vein ; c c, Posterior mesenteric vein ; d, Gaslro-splenio ; d'. Posterior gastric vein ; d", Splenic 

 vein ; d"\ Its Afjistric brandies, 



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

 often terminate in the vena azygos. 



COMMON ILIAC VEINS, 

 (Fia 165, ttj 6.) 

 These are two large, short ve.^sels, formed by the union ofthe^ 

 external and internal iliacs, the former collecting the blood iroila. 



