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| sphincter of hepatopancreatic ampulla (又称 sphincter of Oddi (Oddi 括约肌),为增厚的环行平滑肌,环绕于肝胰壶腹周围。平时肝胰壶腹括约肌保持收缩状态，由肝分泌的胆汁经肝左、右管，肝总管和胆囊管进入胆囊储存和浓缩。进食后，由于食物和消化液的刺激，反射性地引起胆囊收缩，同时括约肌舒张，使胆囊内的胆汁经胆囊管、胆总管排入十二指肠) | |||
| sphincter of hepatopancreatic ampulla | |||
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