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The three main veins that empty into the hepatic portal vein are the superior mesenteric vein, the inferior mesenteric vein, and the splenic vein. The superior mesenteric vein collects blood from the intestines, while the inferior mesenteric vein drains the distal colon and rectum. The splenic vein carries blood from the spleen and also receives contributions from the pancreas and stomach. Together, these veins transport nutrient-rich blood to the liver for processing.

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2w ago

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