Atresia,Choanal

《英文msh詞典》Atresia,Choanal
[同義詞] Atresia,Choanal
[主題詞] Choanal Atresia
[中文釋義] 閉鎖,鼻后孔
[英文釋義] Congenital bony or membranous occlusion of one or both choanae,due to failure of the embryonic bucconasal membrane to rupture.

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