筛泡的解剖位置和大体形态是恒定的。
Sieves the dissection position which soaks and the shape is roughly constant.
因此，手术中应注意彻底切除筛泡及其周围的气房。
Therefore, in the surgery should pay attention to the thorough excision to sieve soaks and the periphery air compartment.
鼻丘形态变化很大，但与中鼻甲前端、筛泡和鼻泪管的关系是恒定的；
The morphology of agger cells differed widely, but its relationship to the anterior border of the middle nasal concha, bulla ethmoidalis and nasolacrimal canal was quite stable;
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