蜗顶 Scala vestibule 螺旋板钩 庭膜 Hamulus laminae spiralis Membrana vestibularis 蜗孔 螺旋膜 Membrana spiralis 蜗管 Ductus 鼓阶 ala tympani 骨螺旋板 蜗轴 Lamina spiralis ossea Modiolus 338.耳蜗(通过蜗轴的剖面) The cochlea, Section through the modiolus Note: The position of cochlear duct within the bony cochlea The scala vestibuli and the scala tympani containing perilymph The scala media containing endolymphNote： • The position of cochlear duct within the bony cochlea • The scala vestibuli and the scala tympani, containing perilymph • The scala media containing endolymph