吻合口高压区有明显的抗反流作用；
The high pressure zone at anastomosis helped prevent gastroesophageal reflux.
目的证实一种新型食管支架具有治疗狭窄并有抗胃食管反流作用。
Objective To study the effect of a new type of esophageal metal stent in the treatment of esophageal stricture and the prevention of gastroesophageal reflux.
目的： 了解膈食管膜解剖学及组织学结构和特点， 探索膈食管膜在抗反流屏障中的作用。
Objective: The aim of the study is to elucidate the morphology of phrenoesophageal membrane(PEM) and assess its possible role in preventing gastroesophageal reflux.
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