Of the extrinsic muscles, the levator labii superioris alaeque nasi is the most important dilator.
鼻外肌群中, 提上唇肌是最重要的扩张肌.
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It indicates that bollon dilator has good long term effectiveness for postoperative anastomotic stricture.
结果显效率为87.8%,且无复发,远期疗效甚佳.
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Before application, the dilator has to be localized where tracheal puncture is performed.
在临床使用前, 先行气管穿刺,并使扩张器处于气管穿刺口的位置.
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The dilator muscles derived from the anterior pigment epithelium andremained in continuity with it.
色素上皮前层细胞向基质深层发出平滑肌突.
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