external acoustic meatus

external acoustic meatus的基本解释

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外耳道

与external acoustic meatus相关的网络例句 [注：此内容来源于网络，仅供参考]

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。

与external acoustic meatus相关的网络解释 [注：此内容来源于网络，仅供参考]

External acoustic meatus：外耳道

1.外耳道的形态与构造 外耳道(external acoustic meatus)起自耳甲腔底部的外耳门,向内直至鼓膜,长2.5cm~3.5cm,由软骨部和骨部组成(见图5-1-1). 软骨部约占其外侧1/3,骨部约占其内侧2/3. 外耳道有两处较狭窄,一为骨部与软骨部交界处,

External acoustic meatus：外听道

external 外部的 | external acoustic meatus 外听道 | external activity 外部活动

External acoustic meatus：外耳门

外耳道 external acoustic meatus | 外耳门 external acoustic meatus | 外踝 lateral malleolum

cartilaginous external acoustic meatus：软骨性外耳道

软骨性部||cartilaginous part | 软骨性外耳道||cartilaginous external acoustic meatus | 软脊膜||spinal pia mater

atresia of external acoustic meatus：外耳道闭锁

吞咽困难 Dysphagia | 外耳道闭锁Atresia of external acoustic meatus | 外耳道胆脂瘤 Cholesteatoma of external acoustic meatus