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Dr Omar Bashir et al. The hepatic veins are three large veins which drain the hepatic parenchyma into the inferior vena cava (IVC), named the right hepatic vein, middle hepatic vein and left hepatic vein. The veins are important landmarks, running in between and hence defining the segments of the liver.
Inferior Vena Cava. The inferior vena cava is a large main vein that carries blood through the liver and back to the heart. Blood leaves your liver through a central vein in each lobule, and then through a hepatic vein, one of several short veins originating within the lobes of the liver as small branches.