Gallbladder and a Biliary Tree

Location and Appearance

Gallbladder and ducts

The Biliary Tree is the network of structures that includes the Gallbladder as well as the connecting ductal system (cystic duct, right/left/common hepatic duct, common bile duct). The Gallbladder can be found behind the liver against the under surface on the right side of the abdomen. It is a pear shaped structure that will usually be less than 4cm in width and 10cm in length. The Gallbladder has 3 sections the fundus, body and neck. The neck continues into the cystic duct which joins the common hepatic duct to form the common bile duct (CBD).


  • Large Gallbladder
  • Small Gallbladder
  • Duct or vessel misalignment
  • Gallbladder agenesis (absent Gallbladder, without surgery)
  • Gallbladder duplication

Vascular Anatomy of the Biliary Tree

Blood flow to and from the Gallbladder is provided by the cystic artery (branch of right hepatic artery) and the cystic veins (these drain directly into the portal vein).

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