portal vein

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Related to vena portae: portal vein

portal

 [por´tal]
1. porta.
2. pertaining to an entrance, especially the porta hepatis.
portal vein a short, thick trunk formed by the union of the superior mesenteric, inferior mesenteric, and splenic veins behind the neck of the pancreas; it ascends to the right end of the porta hepatis, where it divides into successively smaller branches, following branches of the hepatic artery, until it forms a capillary system of sinusoids that permeates the entire substance of the liver.

he·pa·tic por·tal vein

[TA]
a wide short vein formed by the confluence of the superior mesenteric and splenic vein posterior to the neck of the pancreas, ascending anterior to the inferior vena cava, and dividing at the right end of the porta hepatis into right and left branches, which ramify within the liver.

portal vein

n.
A vein that conducts blood from the digestive organs, spleen, pancreas, and gallbladder to the liver.

por·tal vein

(pōr'tăl vān)
A wide, short vein formed by the superior mesenteric and splenic vein posterior to the neck of the pancreas, ascending in front of the inferior vena cava, and dividing at the right end of the porta hepatis into right and left branches, which ramify within the liver.
Synonym(s): vena portae hepatis [TA] , hepatic portal vein.

portal vein

The large vein that carries blood from the intestines, the STOMACH, the lower end of the OESOPHAGUS and the SPLEEN into the liver. After a meal the portal vein contains large quantities of digested nutrients.

portal vein

any vein that carries blood from one set of capillaries to another, such as renal-portal and hepatic-portal veins.

Portal vein

Formed by a fusion of small veins that end in a network of capillaries, the portal vein delivers blood to the liver.