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
额窦窦口周围结构不同，对研究额窦
、病，以及提高鼻窦
窥镜检查和额窦开
手
具有重要参考和指导意义。
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，开口于不同部位额窦窦口周围结构不同，对研究额窦、病，以及提高鼻窦窥镜检查和额窦开手具有重要参考和指导意义。
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