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Blood flow Venous blood from the entire gastrointestinal tract (containing nutrients from the intestines) is brought to the liver by the hepatic portal vein. Branches of this vein pass in between the lobules and terminate in the sinusoids. Oxygenated blood is supplied in the hepatic artery. The blood leaves the liver via a central vein in each lobule, which drains in the hepatic vein. Hepatic vein - one of several short veins originating within the lobes of the liver as small branches, which unite to form the hepatic veins. These lead directly to the inferior vena cava, draining blood from the liver. Inferior vena cava - formed by the union of the right and left common iliac veins, collects blood from parts of the body below the diaphragm and conveys it to the right atrium of the heart.
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