The couinaud's segmental nomenclature is based on the position of the -: (A) Hepatic veins and portal vein, (B) Hepatic veins and bilary ducts, (C) Portal vein and bilary ducts, (D) Portal vein and hepatic artery
Answer is A. Based on the distribution of the portal vein and hepatic vein, couinaud divided functional lobes of liver into eight segments.