The couinaud's segmental nomenclature is based on the position of the
Functional anatomy of the liver is based on couinaud's division of liver into eight (subsequently nine) functional segments, based upon the distribution of poal venous branches and location of hepatic veins in the parenchyma Couinaud 1957
Hepatic veins and poal vein
Hepatic veins and biliary ducts
Poal vein and biliary ducts
Poal vein and hepatic aery
G.I.T