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手术显微镜下解剖观测了４０例成人标本，结果表明：肝外胆道的血供来源于多条动脉，主要有胆囊动脉、胰十二指肠上后动脉、肝右动脉和门静脉后动脉，占肝外胆道血供的９４．５％。在胆道不同部位，血供分布比例不同，其中分布于胆总管十二指肠后段、上段及肝总管的比例最低，占１３．１％；而胆囊和胆囊管则高达５１．３％。探讨了肝外胆道动脉的分布规律及临床意义。
Forty adult specimens were dissected under the operation microscope. The results showed that the extrahepatic biliary tract blood supply comes from many arteries, including the gallbladder, posterior pancreaticoduodenal artery, right hepatic artery and posterior portal vein, External biliary blood supply of 94.5%. In different parts of the biliary tract, the distribution of blood supply is different, which distributed in the common bile duct duodenum, upper and hepatic duct the lowest proportion, accounting for 13.1%; while the gallbladder and cystic duct up to 51.3%. The distribution and clinical significance of extrahepatic biliary arteries were discussed.