15. Objective To investigate the neoplasty of cerebrospinal rhinorrhea by means of mucoperiosteal flap of nasal septum and inferior nasal meatus.
目的利用鼻中隔和下鼻道黏骨膜瓣对前颅底部分骨质缺损和脑脊液鼻漏进行修补的研究。
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16. Outside the full exposition the semicircular canals outline and the anvil nest, maintains the osseous external auditory meatus behind completeness.
充分暴露外半规管轮廓和砧骨窝，保持骨性外耳道后壁的完整。
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17. AIM: To observe the effect of paracetamol and pseudoephedrine hydrochloride drops on histamine induced increase in resistance of nasal meatus of rats.
目的：观察氨酚伪麻是否具有降低大鼠鼻通道阻力的作用。
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18. Objective: to study the sectional anatomy of the bottom of the internal acoustic meatus and to provide anatomic data for imaging diagnosis and surgery.
目的：进一步明确内耳道底各结构的断面形态，为影像诊断和手术治疗提供解剖学资料。
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19. Objective to investigate the clinical effect of auricle reconstruction and external auditory meatus shaping on congenital middle and external ear malformation.
目的探讨先天性中外耳畸形患者耳廓再造及外耳道成形术的临床疗效。
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20. Methods To puncture from inferior nasal meatus and canine fossa with a nasal endoscopic needle, then, to cut away the pathological tissue of maxillary sinus under the endoscopic observation.
方法：鼻窦镜穿刺套管针分别从下鼻道、尖牙窝穿刺，在鼻内窥镜直视下切除上颌窦病变；
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21. Among 16 cases, ureteral meatus disruption 6 cases, ureter perforation 7 cases, sleeve exfoliation of mucous membrane 1 case, ureter fracture 1 case, tunnel under the mucous membrane 1 case.
22. There were 2-4 arteries around the cerebellopontine angle segment of the facial-acoustic nerve complex entering the inner acoustic meatus in each side. The arteries were connected with each other.
兔每侧面听神经复合体小脑脑桥角段周围有2～4支小动脉进入内听道，互相吻合。
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23. There were 2-4 arteries around the cerebellopontine angle segment of the facial-acoustic nerve complex entering the inner acoustic meatus in each side. The arteries were connected with each other.
