The hepatic portal system is the system of veins comprising the hepatic portal vein and its tributaries. It is responsible for directing blood from the region of the gastrointestinal tract between the esophagus and rectum and also includes venous drainage from the supplementary organs such as the spleen and pancreas.

2023年7月16日 · The hepatic artery carries oxygenated, nutrient-poor blood to the liver whereas the portal vein carries nutrient-rich, oxygen-poor blood to the liver. The blood then flows through the liver and provides it with oxygen and nutrients.

The hepatic portal system is the system of veins that transports blood from the digestive tract to the liver. It consists of the hepatic portal vein and other veins that drain into the hepatic portal vein, viz. the superior mesenteric vein, the inferior mesenteric vein, and the splenic vein.

2024年1月2日 · In the Hepatic Portal System, venous drainage from most of the gastrointestinal tract, the spleen, and the pancreas, pools into the portal vein to reach the liver, before returning to the heart. This way, all substances absorbed through the GI tract, including nutrients, toxins, and pathogens, are first processed in the liver before they can ...

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Hepatic portal vein of the blood circulation system has been thought to be the major route for metabolite transportation in the gut-liver axis, but the existence and...

Hepatofugal flow (ie, flow directed away from the liver) is abnormal in any segment of the portal venous system and is more common than previously believed. Hepatofugal flow can be demonstrated...

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2023年8月8日 · The veins that drain the gastrointestinal organs parallel the major arteries that supply the foregut, midgut, and hindgut, including the celiac, superior mesenteric, and the inferior mesenteric arteries respectively. These veins eventually convene at the portal vein, forming a single venous inflow tract into the liver. The celiac vein …

The hepatic Portal circulation is the path of blood that flows through a portal system. therefore, due to the direct path of flow, blood flows from organ to organ while not reentry into the systemic circulation first. therefore, in other words, it flows from one organ to …