Methods The middle nasal meatus, semilunar hiatus, ostium of maxillary sinus and the neighboring structure in 40 samples of adult cadaveric cranial sagittal planes were anatomically observed.

　
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  • 方法在40例成人尸體顱矢狀切面上,對中鼻道、半月裂孔、上頜竇口及其周?chē)Y構進(jìn)行解剖學(xué)觀(guān)測及上頜竇口的探針插入試驗。
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