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- If the anterior attic bone plate and its mucous fold become a bony diaphragm, it is easy to induce epitympamic cholesteatoma in addition to the block of tympanic isthmus. 该骨板平均长度5?2mm，平均厚度1?1mm，上鼓室前骨板及其附着的粘膜皱襞随乳突气化的不同，而形态不同，若形成骨性骨膜，易于使鼓岬阻塞的病人出现上鼓室负压，诱发上鼓室胆脂瘤。
- posterior tympanic isthmus 鼓后峡
- In which part of the world is the Isthmus located? 苏伊士地峡位于世界的哪一部分？
- tympanic isthmus 鼓峡
- anterior tympanic isthmus 鼓前峡
- Of, relating to, or forming an isthmus. 地峡的地峡的，关于地峡的或形成地峡的
- The tympanic membrane is bulging. 鼓膜隆起。
- Moreover most outside is the tympanic membrane. 而且最外面是鼓膜。
- The Isthmus of Panama joins Northand South America. 巴拿马地峡将北美和南美连接起来。
- Life is an isthmus between two eternities. (Metaphor)生活是永恒的生死两端之间的峡道。
- The southern isthmus is always hot and humid. 南部地峡总是炎热和潮湿。
- Tympanic center leaves the alveolus of one desiccate. 鼓膜中心则留下一变干的小孔。
- Distorted or erythematous tympanic membranes suggest otitis media. 发烧或上呼吸道感染反映提示中耳炎可能。
- It was the neck of land which we call the Isthmus of Panama. 这个陆地的狭窄地带，我们称之为巴拿马地峡。
- The Isthmus of Panama joins North and South America. 巴拿马地峡将北美和南美连接起来。
- The north and south of the island are linked by a narrow isthmus. 岛的北部和南部由一条狭窄的地峡相连。
- The ampulla and isthmus of uterine tube consists of mucous tunic... 壶腹部和峡部由内向外依次可分为粘膜层、肌层和外膜三层。
- A city of southeast Mexico east of the Isthmus of Tehuantepec. 比亚埃尔莫萨墨西哥东南的一城市，位于特万特佩克地峡东部。
- The tympanic exploration is necessary to be included in tympanoplasty. 凡鼓室成形术，均应行鼓室探查。
- This fact has led naturalists to believe that the Isthmus was formerly open. 使许多自然学者相信这个地蛱在以前原是开通的。
