Result : there were statistical differences between the adult group and the pediatric group in ethmoid bulla hypertrophy and middle nasal concha etherealization 结果:筛泡肥大和中鼻甲气化的出现率在成年组和未成年组差异有统计学意义。
The medial surface of the labyrinth of ethmoid consists of a thin lamella, which descends from the under surface of the cribriform plate, and ends below in a free, convoluted margin, the middle nasal concha.