The common hepatic duct is the duct formed by the junction of the right hepatic duct (which drains bile from the right functional lobe of the liver) and the left hepatic duct (which drains bile from the left functional lobe of the liver). The common hepatic duct then joins the cystic duct coming from the gallbladder to form the common bile duct. The liver is one of the largest internal organs of the human body. ... The cystic duct is the short (usually around a centimetre or so) duct that joins the gall bladder to the common bile duct. ... Gall bladder Digestive system diagram showing the bile duct The gallbladder (or cholecyst) is a pear-shaped organ that stores about 50 ml of bile (or gall) until the body needs it for digestion. ... A bile duct is any of a number of long tube-like structures that carry bile. ...
The common hepatic duct has an important relationship with the right hepatic artery and the cystic artery. All of these must be identified during a cholecystectomy to avoid cutting or clipping the wrong structure.
The duct from segment III is surgically accessible by dissection in the groove to the left of the umbilical ligament, where it lies anterior to its accompanying branch of the portal vein and hepatic artery.
The left hepaticduct runs from the base of the umbilical fissure to the hilum in the transverse hilar fissure, invested by the fibrous tissue of the hilar plate with the left portal vein lying posterior and the left hepatic artery lying inferior.
The gallbladder drains by the cystic duct to the junction of the commonhepaticduct and common bile duct.
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