Portal Vein Kidneys in the Abdomen, also showing the liver, spleen, aorta IVC and portal vein. In the chest, pulmonary veins and arteries are seenby Ashley Davidoff MD Portal Vein and the Liver TreeAshley Davidoff MD Derivation of the Portal Vein and the Liver Tree from a CT scanAshley Davidoff MD Mardi Gras Liver in GreenMardi Gras Liver and ConnectionsThe artistic rendition in party colors shows a background of liver lobules with the connecting structures, including the hepatic veins (orange) biliary system (purple) hepatic artery (blue) and the portal vein (green)Ashley Davidoff MD Copyright 201842646b01 Mardi Gras Liver and ConnectionsThe artistic rendition in party colors shows a background of liver lobules with the connecting structures, including the hepatic veins (blue) biliary system (green) hepatic artery (red) and the portal vein (maroon)Ashley Davidoff MD Copyright 201842646b01 The Celiac AxisThe artistic rendering shows the celiac axis (red) giving rise to the splenic artery and the hepatic artery.The portal vein (blue) is derived from the splenic vein and superior mesenteric vein, and drains into the liver.The biliary system (green) consists of the intrahepatic ducts, that drain into the common hepatic duct that lies in the porta hepatis. Once the CHD receives the cystic duct from the gallbladder it becommon bile duct.Ashley Davidoff MD Copyright 201841774