Methods: The microstructure of the cavernous sinus of 10 adult cadaveric heads were observed under microscope through lateral extradural approach,lateral intradural approach and superior approach.

• 方法：10例成人头颅标本，采用经额颞眶-颧弓开颅，在显微镜下对海绵窦的侧方硬膜外，侧方硬膜下，及上方入路进行解剖学观察。