"Z"-plasty; acquired stenosis of anterior naris; treatment.
“Z”成形术；后天性前鼻孔狭窄；手术治疗。
Nasal process of premaxilla forms the whole posterior margin of the naris.
背突构成整个外鼻孔的后缘。
With the development of the fish, the anterior naris of the fry rose above the external surface and developed into a tubular extension, which opened to the outside.
随其发育，仔鱼前鼻孔隆起于外表面，发育为管状延伸物而与外界相通。
Methods:318 children with OSAHS without antiaditis in the recent one year and without deflection of nasal septum, rhinitis, posterior naris stenosis, tongue body hypertrophy and etc.
对经睡眠监测诊断为OSAHS的318例儿童，所有患者均近一年来无扁桃体炎病史，并已排除鼻中隔偏曲、鼻炎、后鼻孔狭窄、舌体肥大等其他因素所引起OSAHS。
Methods:318 children with OSAHS without antiaditis in the recent one year and without deflection of nasal septum, rhinitis, posterior naris stenosis, tongue body hypertrophy and etc.
对经睡眠监测诊断为OSAHS的318例儿童，所有患者均近一年来无扁桃体炎病史，并已排除鼻中隔偏曲、鼻炎、后鼻孔狭窄、舌体肥大等其他因素所引起OSAHS。
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