| portal |
a grand and imposing entrance (often extended metaphorically); "the portals of the cathedral"; "the portals of heaven"; "the portals of success" portal site: a site that the owner positions as an entrance to other sites on the internet; "a portal typically has search engines and free email and chat rooms etc." portal vein: a short vein that carries blood into the liver
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| portal hypertension |
increase in blood pressure in the veins of the portal system caused by obstruction in the liver (often associated with alcoholic cirrhosis), causing enlargement of the spleen and collateral veins
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| portal system |
system of veins that carry blood from the abdominal organs to the liver
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| Porifera |
coextensive with the subkingdom Parazoa: sponges
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| portal vein |
a short vein that carries blood into the liver
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