#liver  large and complicated reddish-brown glandular organ located in the upper right portion of the abdominal cavity; secretes bile and functions in metabolism of protein and carbohydrate and fat; synthesizes substances involved in the clotting of the blood; synthesizes vitamin A; detoxifies poisonous substances and breaks down worn-out erythrocytes
  supertype:  internal_organ__viscus  a main organ that is situated inside the body
  part of:  digestive_system  circulatory_system
  part:  Kupffer's_cell  specialized cells in the liver that destroy bacteria and foreign proteins and worn-out blood cells
  part:  hepatic_artery__hepaticartery__arteria_hepatica__arteriahepatica  arteries that supply the liver
  part:  hepatic_vein__hepaticvein__vena_hepatica  a vein that drains the liver; empties into the vena cava
  part:  hepatic_lobe__hepaticlobe  any of the five lobes forming the liver
  part:  hepatic_duct__hepaticduct  the duct that drains bile from the liver
  part:  common_bile_duct__bile_duct  a duct formed by the hepatic and cystic ducts; opens into the duodenum
     part:  musculus_sphincter_ductus_choledochi  the smooth muscle sphincter of the common bile duct
  part:  biliary_ductule  excretory ducts of the liver; empty into the hepatic ducts
  part:  venae_interlobulares_hepatis  interlobular veins of the liver

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