Biology 351
Model Ear
Model human ear.
External ear
Auricle
Tympanic membrane
Middle ear
Tympanic cavity
Auditory (Eustachian) tube
Malleus
Incus
Stapes
(Mallus, incus and stapes are collectively known as the auditory ossicles)
Round and Oval window
Inner ear
Semicircular canals
Cochlea
Ear muscles
Tensor tympani: attaches to the malleus bone and tympanic membrane.
Stapedius: Attaches to the stapedius

A = Auricle B = External auditory canal C = Tympanic membrane D = Auditory (Eustachian) tube E = Tympanic cavity (middle ear)

A = External auditory canal B = Tympanic membrane C = Malleus D = Incus E = Stapes (Covers the oval window of the cochlea) F = Semicircular canals G = Cross section of cochlea H = Tympanic cavity I = Auditory (Eustachian) tube


A = Auricle B = External auditory canal C = Tympanic membrane D = Auditory (Eustachian) tube E = Tympanic cavity (middle ear)