Congestion of the portal system may be a result of vaso-motor paresis.
The peptones and sugar pass by osmosis into the blood-vessels of the portal system and thence to the liver.
These additional branches on entering the liver join the portal system, forming a set of ventral accessory portal veins.
An attempt at compensation for these evils growing out of the obstruction in the portal system is made by the natural powers.
The human examples were originally obtained from the portal system of blood-vessels.
This vessel traverses the liver, receiving the hepatic afferent veins of the portal system.
Connection of umbilical vein in liver:(a) With portal system (Figs. 258 and 271).
From the portal system were absorbed, through the stomach and intestines, the products of digestion.
portal system n.
A system of vessels in which blood, after passing through one capillary bed, is conveyed through a second capillary network.