The adjacent structures of the ostia differ from each other by the different location of the ostium.The clinical significance of the ostium and the nasofrontal duct were discussed.
认为，开口于不同部位的
口周围结构不同，对研究的生理、病理，以
鼻内
镜检查
开放手术具有重要的参考指导意义。
The adjacent structures of the ostia differ from each other by the different location of the ostium.The clinical significance of the ostium and the nasofrontal duct were discussed.
认为，开口于不同部位的口周围结构不同，对研究的生理、病理，以鼻内镜检查开放手术具有重要的参考指导意义。
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