鼻淚管 （ nasolacrimal duct ）开口于鼻腔之中鼻道（middle meatus） 20 左肺门（hilum）正上方的沟（或切迹）是由何结构造成的？
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atrium of middle meatus [解剖] 中鼻道前房
middle turbinate & middle meatus 中鼻道
middle meatus antrostomy 中鼻道上颌窦开窗术
middle nasal meatus [解剖] 中鼻道
atrium middle meatus 释义中鼻道前房
Middle meatus packing 中鼻道填塞
bony middle meatus nose 释义骨性中鼻道
The MTR of nasal middle meatus in patient's groups were significantly lower than that in healthy groups ( P< 0. 01).
慢性化脓性鼻窦炎、慢性肥厚性鼻炎、慢性单纯性鼻炎患者中鼻道MTR都明显低于健康人（P<0.01）；
The electron microscopy scan showed that the cilias in nasal middle meatus distributed better in healthy persons than in patients.
扫描电镜观察表明：健康人中鼻道纤毛分布与形态明显好于患者。
Objective to investigate the clinical effect of auricle reconstruction and external auditory meatus shaping on congenital middle and external ear malformation.
目的探讨先天性中外耳畸形患者耳廓再造及外耳道成形术的临床疗效。
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