Embolism. 



141 



tion of the portal and umbilical veins with the vena cava, their 

 blood passin.c^ into the fine meshed capillary network of the portal 

 vein within the liver substance. (In calves, however, where the 

 ductus Arantii forms a direct passage between the uml)ilical vein 

 and the vena cava the lung may stand equal chance of embolism 



haemo7rhof{ 

 dalis\ 



Einige 

 'Dmndarmd.ste 



coeci 



Fig. 9. 



Thrombosis of the colic arteries of a horse: ;i riding emljolus in arleri:i cceci. 



Vordere Gekroswurzel, anterior mesenteric t runic ; einige diinndr.rmaste, 

 branches to small intestine. 



from the last named source.) Emboli from the left heart, from the 

 lungs (pulmonary veins), entering the aorta and arterial tree always 

 find their way into the peripheral arterial branches, as from the 

 anterior portion of the aorta into the brain, from the posterior 

 aorta into the kidneys, pelvic arteries, etc., from the mesenteric 

 trunk into the arteries of the intestines. As a rule blgod. dots are 



