6.The front view of skull (3 the bony nasal cavity nasal septem鼻中隔 superior middlle} conchae甲 inferior Fossa superior middlle} meatus道 inferior sphenoethmoidal recess 蝶筛隐窝 down6.The front view of skull Up down (3) the bony nasal cavity nasal septem 鼻中隔 superior middle conchae 甲 inferior superior middle meatus 道 inferior sphenoethmoidal recess 蝶筛隐窝