查询词典 external acoustic meatus

Objective: To study the biological behaviour and treatment of external acoustic meatus cholesyeatoma.

目的：探讨外耳道胆脂瘤的生物学行为及其治疗。

Methods According to the lack range of auricle,shape,external acoustic meatus and audition function request,ribcartilage kickstand was adopted to reforge auricle by stages and external acoustic meatus figuration was performed to renovate congenital microtia malformation.

根据耳廓缺损的范围、外形、耳道及听功能要求，采用肋软骨支架分期耳廓再造，同时行外耳道成形术修复先天性小耳畸形。

Increasing the length may enhance the gain of low and high frequencies when external acoustic meatus is wider, but only low fiequecies when narrow.

结论当外耳道较为宽大时，增加声管的长度可以提高低频和高频的增益；当外耳道较为狭窄时，增加声管的长度仅能提高低频的增益。

Methods Thirty person with normal structure of the external acoustic meatus were divided into two groups according to the average diameter of ear impression in the second narrow, which less than4.0 mm is group Ⅱ, the others belonged to group Ⅰ.

方法任选外耳道结构正常的受试者30人(60耳)，并按耳印在第二峡部的平均直径≥4.0mm者为甲组，。0mm者为乙组。

Results The most cases of external acoustic meatus cholesyeatoma presented with skin chronic infection and bone erosion from mild to severe .

结果多数患者外耳道皮肤有慢性炎症，且外耳道骨壁出现不同程度扩大，侵蚀，甚至向远深部扩展累及中耳，颈静脉和面神经。

To examine or to make surgery estimates on external acoustic meatus, tympanic membrane, middle ear and so on with diameter of 2.7 mm, 4.0 mm, 30° 70° aural endoscope from different angles.

选用直径2.7mm、4.0mm的30°、70°不同角度的耳内镜对外耳道、鼓膜、中耳等在不同角度进行检查或手术评估。

The abnormality degrees of their external and middle ear were observed, the relationship between the auricle growing level, the bony fossa of external acoustic meatus, the hearing degree before operation and the abnormalities of middle ear were reviewed respectively.

统计各种外、中耳畸形情况，比较耳廓发育程度、颞骨相当于外耳道口处有无骨性小凹、术前听力损失程度与中耳畸形的关系，将术前的常规横断位 CT检查结果与术中所见进行对照。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。