Extrahepatic bile duct

…It is a bile drainage duct between the liver and the duodenum, and is also called the bile duct. The part inside the liver is called the intrahepatic bile duct, and the part after it leaves the liver is called the extrahepatic bile duct. The part from the left and right (called the left hepatic duct and the right hepatic duct, respectively) joins together and joins the gallbladder duct, which is connected to the gallbladder, and is called the common hepatic duct. The part below that, up to the exit of the duodenum or until it joins the pancreatic duct, is called the common bile duct. The bile duct and gallbladder together are called the bile tract. …

*Some of the terminology that refers to the "extrahepatic bile duct" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…肝臓と十二指腸の間にある胆汁の排出路で，輸胆管ともいう。このなかで，肝臓の中にある部分を肝内胆管，肝臓を出てからの部分を肝外胆管と称し，左と右からのもの(それぞれ左肝管，右肝管という)がいっしょになってから，胆囊に連なる胆囊管に合流するまでを総肝管，それ以下十二指腸の出口まで，あるいは膵管と合流するまでを総胆管と呼んでいる。また胆管と胆囊を合わせて胆道という。…

※「肝外胆管」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報