檢視鼻窦的原始碼

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[[File:U=2724733056,3243019186&fm=26&gp=0.jpg|缩略图|居中|[https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fn.sinaimg.cn%2Ftranslate%2F20170915%2FgWqX-fykywuc3537520.jpg&refer=http%3A%2F%2Fn.sinaimg.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1613121711&t=7239278587ac0577989c5029005ad353 原图链接][https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E9%BC%BB%E7%AA%A6&step_word=&hs=0&pn=3&spn=0&di=3850&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=2724733056%2C3243019186&os=2760876313%2C3012078091&simid=3268609273%2C97027418&adpicid=0&lpn=0&ln=1449&fr=&fmq=1610529692347_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fn.sinaimg.cn%2Ftranslate%2F20170915%2FgWqX-fykywuc3537520.jpg%26refer%3Dhttp%3A%2F%2Fn.sinaimg.cn%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1613121711%26t%3D7239278587ac0577989c5029005ad353&fromurl=ippr_z2C%24qAzdH3FAzdH3Fgjof_z%26e3Bftgw_z%26e3Bv54_z%26e3BvgAzdH3F5AzdH3Fda80-al-8cAzdH3F15v-tuyhyuoq0ncnlb8_z%26e3Bfip4s&gsm=4&rpstart=0&rpnum=0&islist=&querylist=&force=undefined来自 百度 的图片]]]

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鼻旁窦（paranasal sinuses)，又称副鼻窦或鼻窦，为鼻腔周围颅骨（额骨、[[蝶骨]]、上颌骨、[[筛骨]]）内的含气空腔的总称，均有窦口与鼻腔相通。

对发音起共鸣作用。

鼻窦左右成对，共四对，分别称为额窦、上颌窦、[[蝶窦]]和筛窦。