Portal system. Definition

Medical Definition: portal system

One who, like portahepático system, has a double capillary network. In this case, the first capillary network in the wall of the intestine, is responsible for absorbing the products of digestion, and the second is in the liver where the portal vein just resolved in a capillary network, which originate from the hepatic veins. Another system is the portal-hypophyseal portal

* Automatic translation