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胆总管括约肌 dǎn zǒng guǎn kuò yuē jī
anat. sphincter of common bile duct (胆总管末端壁内增厚的环行平滑肌。 hepatopancreatic ampulla 肝胰壶腹又称 biliaropancreatic ampulla 胆胰壶腹,ampulla of Vater (Vater 壶腹),位于十二指肠后内侧壁内,为胆总管与胰管汇合形成的膨大部)
surg. sphincter of common bile duct