Cochlea + Ossicles Models

bony labyrinth

chamber sof inner ear containing perilymph and membranous labyrinth

scala vestibuli

propagates the pressure that goes through cochlea

scala tympani

propagates the pressure that goes through cochlea

vestibular membrane

forms roof of cochlear duct

duct of the cochlea

endolymph filled duct with vesitbular membrane as roof and basilar membrane a floor hair cells and tectorial membrane

tectorial membrane

holds hair cells

internal hair cells

sense of hearing which are proximal to the cochlear nerve fiber exit towards brain

external hair cells

sense of hearing which are distal to the cochlear nerve fiber exit towards brain

basilar lamina or membrane

holds hair cells

cochlear nerve

sends nerve impulses to the brain from the cochlea

tympanic membrane (ossicles)

moves sound into middle ear

malleus

takes sound from tympanic membrane to incus

incus

takes sound from malleus to stapes

stapes

takes sound from incus to oval window

oval window

communication betwwen middle and inner ear