Question

Portal system is the one in which a vein starts from an organ and

Answer 1

The hepatic portal system is a series of veins that carry blood from the capillaries of the stomach, intestine, spleen, and pancreas to capillaries in the liver. ... The hepatic portal system consists of: Hepatic portal vein: This is the main vein connected to the liver

Answer 2

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The portal vein supplies approximately 75 percent of blood flow to the liver. The portal vein is not a true vein, which means it does not drain into the heart. Instead, it brings nutrient-rich blood to the liver from the gastrointestinal tract and spleen.