REPORT FORMName: _________________________________ Condition:Histology
The inner ear consists of a membranous “labyrinth” encased in an occeous labyrinth. The vestibule and semicircular canal are concerned with vestibular function (balance); cochlea is concerned with hearing. The cochlea is a coiled tube. The cochlea coils up from its base. It is coiled around the modiolus. The Reissner’s membrane and the basilar membrane divide the cochlea longitudinally into three scalae. If you cut the cochlear tube cross sectionally, you’d see Scala vestibuli on top, scala tympani on the bottom. Scala media is a triangular duct in the middle. The side of the duct where the nerve fibres exit ...
