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  2. Hepatic portal system - Wikipedia

    en.wikipedia.org/wiki/Hepatic_portal_system

    The hepatic artery provides 30 to 40% of the oxygen to the liver, while only accounting for 25% of the total liver blood flow. The rest comes from the partially deoxygenated blood from the portal vein. The liver consumes about 20% of the total body oxygen when at rest. That is why the total liver blood flow is quite high, at about 1 litre a ...

  3. Portal venous system - Wikipedia

    en.wikipedia.org/wiki/Portal_venous_system

    The human hepatic portal system delivers about three-fourths of the blood going to the liver.The final common pathway for transport of venous blood from spleen, pancreas, gallbladder and the abdominal portion of the gastrointestinal tract [2] (with the exception of the inferior part of the anal canal and sigmoid colon) is through the hepatic portal vein.

  4. Portal vein - Wikipedia

    en.wikipedia.org/wiki/Portal_vein

    The portal vein or hepatic portal vein (HPV) is a blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas and spleen to the liver. This blood contains nutrients and toxins extracted from digested contents.

  5. Cystic vein - Wikipedia

    en.wikipedia.org/wiki/Cystic_vein

    The cystic veins (usually multiple small veins rather than a single cystic vein) drain venous blood from the gallbladder [1] [2] [3] and the cystic duct. [2] The cystic veins either drain into various branches (within the liver) and tributaries (outside the liver) of the hepatic portal vein. [1] [2] Cystic veins do not accompany the cystic ...

  6. Portal vein thrombosis - Wikipedia

    en.wikipedia.org/wiki/Portal_vein_thrombosis

    Portal vein thrombosis (PVT) is a vascular disease of the liver that occurs when a blood clot occurs in the hepatic portal vein, which can lead to increased pressure in the portal vein system and reduced blood supply to the liver. The mortality rate is approximately 1 in 10.

  7. Portal hypertension - Wikipedia

    en.wikipedia.org/wiki/Portal_hypertension

    The causes for portal hypertension are classified as originating in the portal venous system before it reaches the liver (prehepatic causes), within the liver (intrahepatic) or between the liver and the heart (post-hepatic). The most common cause is cirrhosis (chronic liver failure). Other causes include: [1] [10] [11] Prehepatic causes

  8. Hepatic veins - Wikipedia

    en.wikipedia.org/wiki/Hepatic_veins

    The right hepatic vein is the longest and largest of all the hepatic veins. It drains the liver segments VI and VII in their entirety, and variably participates in the drainage of segments V and VIII; the extent of drainage of the latter two segments by the right hepatic veins as opposed to the middle hepatic vein and possible variant accessory veins determines the calibre of the right hepatic ...

  9. Renal vein - Wikipedia

    en.wikipedia.org/wiki/Renal_vein

    The renal veins in the renal circulation, are large-calibre [1] veins that drain blood filtered by the kidneys into the inferior vena cava. There is one renal vein draining each kidney. [citation needed] Each renal vein is formed by the convergence of the interlobar veins of one kidney. [2]