蝶竇口 的英文怎麼說
中文拼音 [diědòukǒu]
蝶竇口
英文
apertura of sphenoidal sinus-
The natural ostium of the sphenoid sinus can usually be identified medially to the tail of the middle turbinate, approximately 1 cm above the choana
蝶竇的自然口通常位於中鼻甲的後部，后鼻孔上緣Subtle changes, such as polyps in the early stages, can easily be identified. purulent secretions are seen streaming here from the maxillary sinus ostium posteriorally towards the nasopharynx. posteriorally, medial to the tail of the middle turbinate, the ostium of the sphenoid sinus may be identified
能很容易的發現類似早期息肉等微小的病變，還可以顯示膿性分泌物從上頜竇口向後流向鼻咽部和後方的中鼻甲的後段和蝶竇的開口。Care must be taken not to penetrate nor instrument the sinus in its lateral portion, as trauma may be caused to the optic nerves situated superiorly, or to the internal corroded inferiorly
鉗將開口擴大。必須注意不能穿透或者用器械探及蝶竇側壁，以免損傷前方的視神經。
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