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portal system
noun
, Anatomy.
- a vascular arrangement in which blood from the capillaries of one organ is transported to the capillaries of another organ by a connecting vein or veins.
- (loosely) the hepatoportal system.
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Word History and Origins
Origin of portal system1
First recorded in 1850–55
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Example Sentences
There is no renal portal system, excepting unimportant vestiges of such a system in the head kidneys.
From Project Gutenberg
Owing to the development of the common iliac veins there is no renal portal system like that of the Reptilia and Amphibia.
From Project Gutenberg
The peptones and sugar pass by osmosis into the blood-vessels of the portal system and thence to the liver.
From Project Gutenberg
An attempt at compensation for these evils growing out of the obstruction in the portal system is made by the natural powers.
From Project Gutenberg
From the portal system were absorbed, through the stomach and intestines, the products of digestion.
From Project Gutenberg
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