To expose subdural structures, lateral wall of cavernous sinus in lateral, olfactorynerves and rectal gyri in front were revealed under endoscope.
在显露硬膜下结构时，内镜下侧方可显露海绵窦外侧壁，前方可显露双侧嗅神经和直回。
3
Objective:To Provide morphological data of olfactorynerves, bulb and tract of Chinese to protect olfactory function in the operation of nasal cavity roof and anterior cranial fossae.