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- The detection frequency of anterior, middle and posterior ethmoidal canal (AEC, MEC, PEC) was 100%, 42.9%, 99.5%. 筛前、筛中、筛后动脉管的显示率分别为100%25、42.;9%25、99
- The posterior ethmoid cells are easily identified as they are larger, wider, and fewer in number than anteriorly. 后组筛窦的气房一般大而宽,在数量上也少于前组筛窦,容易确定。
- When disease involves the sphenoid, the sinus can be penetrated either intranasally or through the posterior ethmoid. 当病变累及蝶窦，可以经鼻内和后组筛窦进入蝶窦。
- Forobtaining the bets result,the height of maxillary-ethmoid and the height from the up-edgeof maxillary-ethmoid plate to the roof of posterior ethmoid were measured. 鼻前棘至后筛顶后缘的距离及角度，观察中鼻甲的走行及附着，筛骨水平板的形态及后筛窦的分度及变异，为临床手术提供了一定的解剖学依据。
- The results were analyzed by the statistical software SPSS. Results:The detection frequencies of anterior, middle and posterior ethmoidal foramen (AEF,MEF,PEF) were 100%,42.9% and 99.5%. 结果眶内壁筛孔总数显示为单孔、二孔、三孔、四孔、五孔的比例分别为0.;5%25、54
- The posterior limit of the posterior ethmoid is the skull base.At this point, it is more solid than it is anteriorly and serves as a reliable and safe location for its identification. 后组筛窦的后界是颅骨，在此处，比前方坚实的骨质，可以做为确定后界可靠和安全的标帜。
- posterior ethmoidal (air) cell 后筛窦
- posterior ethmoidal air cell 后筛窦
- Dissection is then carried posteriorally along the inferior border of the ethmoid to the lamina basalis.Through the lamina basalis lies the posterior ethmoid. 接著向后沿筛窦的下缘切除筛窦至基板，通过基板即进入后组筛窦。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- posterior ethmoidal cell 后筛窦
- During the intermission, let's go out for some fresh air. 幕间休息时，我们出去呼吸呼吸新鲜空气吧。
- The air held a foretaste of a storm. 天气有要括大风的迹象。
- The air was reeking with the smell of tobacco. 空气中弥漫着烟草的气味。
- It is a posterior view of the skull. 这是颅骨背视图。
- A walk in the fresh air will pep me up. 我在空气新鲜的地方散步就感到精神饱满。
- He served one month with the Air Army in Kuwait. 他在科威特的空军里服役1个月。
- Keywords Endoscopy Posterior ethmoid sinus Postocular tissue proper Operative; 内窥镜;后组筛窦;眼球后;手术;
