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食管胃连接部 (ｅｓｏｐｈａｇｏｇａｓｔｒｉｃｊｕｎｃｔｉｏｎ)高压带的形成机制非常复杂 ,一般认为这一高压带是由 2个括约肌样结构共同形成[1,2 ] ,1个是膈脚 ,其组织类型是横纹肌 ;1个是食管下括约肌 (ｌｏｗｅｒｅｓｏｐｈａｇｅａｌｓｐｈｉｎｃｔｅｒ) ,其组织类型是
The formation mechanism of the high pressure zone in esophagogastric junction is very complicated. It is generally believed that this high pressure zone is formed by two sphincter-like structures [1,2], one is the phrenic foot, and the type of tissue is the striated muscle. One Is a loweresophagealphincter whose tissue type is