Macrostomias

《英文msh詞典》Macrostomias
[入口詞] Macrostomias
[主題詞] Macrostomia
[英文釋義] Greatly exaggerated width of the mouth,resulting from failure of union of the maxillary and mandibular processes,with extension of the oral orifice toward the ear. The defect may be unilateral or bilateral. (Dorland,27th ed)