Nghẹt mũi: nguyên nhân và điều trị
Cập nhật: 07:42 24/06/2005 GMT+7
Hốc mũi giống như một căn phòng có cửa trước, cửa sau và vách ngăn ở giữa; Vách ngăn chia mũi thành hai phần đều nhau. Cấu tạo bên trong mũi không bằng phẳng mà gồ ghề do có ba xương cuốn mũi bám vào thành ngoài hốc mũi.
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