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,开口于不同位
额窦窦口周围结构不同,对研究额窦
生理、病理,以及提高鼻窦内
镜检查和额窦开放手术具有重要
参考和指导意义。