“choanal atresia”的概念、定义、翻译、参考文献-科学参考

单词	choanal atresia
释义	choanal atresia Encyclopedia 医学后鼻孔闭锁释 choanal atresia后鼻孔闭锁发生于鼻腔的畸形病变。少见的鼻部畸形。医学后鼻孔闭锁释 choanal atresia后鼻孔闭锁鼻窝上皮增生形成的上皮栓未溶解，后鼻孔周围组织增生过度引起的鼻发育异常而存在解剖学封闭的疾病。
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