Histologic representation of the liver parenchyma. Lobule with central vein (in the middle) and triangular-shaped periportal area (peripheral areas of the hexagonal) with artery, vein and bile duct.
Microcirculatory system of a liver lobule (from top to bottom): blood flows from the portal vein, through liver sinusoids into the central vein and through the hepatic vein into the inferior vena cava.