Figure 22.14
Events in the Stimulation
of Auditory Receptors
in the Right Ear
Process Diagrams Step-by-Step
Copyright © 2007 by John Wiley & Sons, Inc.
Malleus Incus
Stapes vibrating Helicotrema
in oval window
Cochlea
Sound waves
Perilymph
Scala
tympani
Scala
vestibuli
Basilar
membrane
1
External auditory
canal
Spiral organ
(organ of Corti)
Tectorial membrane
Vestibular membrane
Cochlear duct
(contains endolymph)
Tympanic
membrane
Secondary tympanic
membrane vibrating
in round window
Middle ear
Auditory tube
Malleus Incus
Stapes vibrating Helicotrema
in oval window
Cochlea
Sound waves
Perilymph
1
Scala
tympani
Scala
vestibuli
Basilar
membrane
2
External auditory
canal
Spiral organ
(organ of Corti)
Tectorial membrane
Vestibular membrane
Cochlear duct
(contains endolymph)
Tympanic
membrane
Secondary tympanic
membrane vibrating
in round window
Middle ear
Auditory tube
Malleus Incus
Stapes vibrating Helicotrema
in oval window
Cochlea
Sound waves
Perilymph
Scala
tympani
Scala
vestibuli
Basilar
membrane
3
1
2
External auditory
canal
Spiral organ
(organ of Corti)
Tectorial membrane
Vestibular membrane
Cochlear duct
(contains endolymph)
Tympanic
membrane
Secondary tympanic
membrane vibrating
in round window
Middle ear
Auditory tube
Malleus Incus
Stapes vibrating Helicotrema
in oval window
Cochlea
Sound waves
Perilymph
Scala
tympani
Scala
vestibuli
Basilar
membrane
3
4
1
2
External auditory
canal
Spiral organ
(organ of Corti)
Tectorial membrane
Vestibular membrane
Cochlear duct
(contains endolymph)
Tympanic
membrane
Secondary tympanic
membrane vibrating
in round window
Middle ear
Auditory tube
Malleus Incus
Stapes vibrating Helicotrema
in oval window
Cochlea
Sound waves
Perilymph
Scala
tympani
Scala
vestibuli
Basilar
membrane
3
4
5
1
2
External auditory
canal
Spiral organ
(organ of Corti)
Tectorial membrane
Vestibular membrane
Cochlear duct
(contains endolymph)
Tympanic
membrane
Secondary tympanic
membrane vibrating
in round window
Middle ear
Auditory tube
Malleus Incus
Stapes vibrating Helicotrema
in oval window
Cochlea
Sound waves
Perilymph
Scala
tympani
Scala
vestibuli
Basilar
membrane
3
4
5
1
6
2
External auditory
canal
Spiral organ
(organ of Corti)
Tectorial membrane
Vestibular membrane
Cochlear duct
(contains endolymph)
Tympanic
membrane
Secondary tympanic
membrane vibrating
in round window
Middle ear
Auditory tube
Malleus Incus
Stapes vibrating Helicotrema
in oval window
Cochlea
Sound waves
Perilymph
3
7
4
5
1
6
2
External auditory
canal
Scala
tympani
Scala
vestibuli
Basilar
membrane
Spiral organ
(organ of Corti)
Tectorial membrane
Vestibular membrane
Cochlear duct
(contains endolymph)
Tympanic
membrane
Secondary tympanic
membrane vibrating
in round window
Middle ear
Auditory tube
Malleus Incus
Stapes vibrating Helicotrema
in oval window
Cochlea
Sound waves
Perilymph
3
7
4
5
1
6
2
External auditory
canal
8
Scala
tympani
Scala
vestibuli
Basilar
membrane
8
Spiral organ
(organ of Corti)
Tectorial membrane
Vestibular membrane
Cochlear duct
(contains endolymph)
Tympanic
membrane
Secondary tympanic
membrane vibrating
in round window
Middle ear
Auditory tube
Malleus Incus
Stapes vibrating Helicotrema
in oval window
Cochlea
Sound waves
Perilymph
3
7
4
5
1
2
6
9
External auditory
canal
8
Scala
tympani
Scala
vestibuli
Basilar
membrane
8
Spiral organ
(organ of Corti)
Tectorial membrane
Vestibular membrane
Cochlear duct
(contains endolymph)
Tympanic
membrane
Secondary tympanic
membrane vibrating
in round window
Middle ear
Auditory tube