Biliary Anatomy
The common bile duct is usually 7 8cm long and up to 6mm in diameter. Bile canaliculi hepatic cystic and common bile ducts.
The transportation of bile follows this sequence.
Biliary anatomy. Intrahepatic bile duct anatomy figure 1 the anterior hepatic duct lies vertical located to the left of the anterior branch of the portal vein. The current trend of using mr cholangiography as the modality of choice in the evaluation of biliary diseases and the increasing complexity of hepatic surgical procedures and biliary interventions however necessitate a more widespread and appropriate knowledge of these anatomic variations. It includes the gallbladder and the intra and extrahepatic biliary tree ie.
Ductal diameter increases 05 1mm per decade. Bile canaliculi unite to form segmental bile ducts which drain each liver segment. The right liver has two sections the right anterior section and the right posterior section supplied by the right anterior sectional hepatic artery and the right posterior sectional hepatic artery respectively fig.
Both intra and extrahepatic biliary anatomy is complex with the existence of many common and uncommon anatomic variations. The biliary system consists of the organs and ducts bile ducts gallbladder and associated structures that are involved in the production and transportation of bile. Bile consists of water electrolytes bile acids cholesterol phospholipids and conjugated bilirubin.
Liver and biliary anatomy. The biliary system is the part of the accessory digestive tract that is responsible for producing storing and transporting bile. Keep in mind that there are many variations of this main scheme.
The biliary tract biliary tree or biliary system refers to the liver gall bladder and bile ducts and how they work together to make store and secrete bile. These structures produce store and release bile to the small intestines where it aids in the digestion of lipids. Anatomy and functions anatomy of the biliary system.
By convention the biliary tree is divided into intra and extra hepatic bile ducts 1. There is significant variation in the biliary tree with the classical description below thought to be present in 60 of the population 2. The direction of the posterior duct is more horizontal running superior being epiportal in the hjortsjö crook 2 to the anterior portal branch and joins the anterior duct.
The union of the common hepatic duct and cystic duct forms the common bile duct. The plane between these sections is the right intersectional plane. The biliary tree also known as the biliary tract or biliary system is comprised of the gallbladder liver and bile ducts.
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