• (biliary tree) Hollow tree organ which is continuous with the hepatic capillary bed and duodenum. Examples: There is only one biliary tree.
  Foundational Model of Anatomy
  University of Washington, 2017
• (biliary tree) Hollow tree organ, the organ parts of which consists of the bile ducts. Examples: There is only one biliary tree.
  Digital Anatomist
  University of Washington, 2003
• Organs, ducts, and other structures that participate in the secretion, storage, and delivery of bile into the duodenum.
  CRISP Thesaurus
  National Institutes of Health, 2006
• The BILE DUCTS and the GALLBLADDER.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• The duct system that transports bile from its origination by hepatocytes in the liver to the small intestine. It is comprised of the common bile duct that connects the liver and gall bladder to the small intestine and the cystic duct that connects the gall bladder to the common bile duct.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• The system that transports bile from the hepatocytes in the liver to the small intestine. It is comprised of the intrahepatic bile ducts, hepatic ducts, common bile duct, cystic duct, and the gallbladder.
  NCI
  U.S. National Cancer Institute, 2021
• (biliary system) The organs and ducts that make and store bile (a fluid made by the liver that helps digest fat), and release it into the small intestine. The biliary tract includes the gallbladder and bile ducts inside and outside the liver.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021