lab 28 - the ear and hearing

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connects middle ear and pharynx

auditory tube

S-shaped tube leading to tympanic membrane

external auditory meatus

bony canal of inner ear in temporal bone

osseous labyrinth

extends from apex of cochlea to round window

scala tympani

leads from oval window to apex of cochlea

scala vestiboli

auditory ossicle attached to oval window

stapes

contacts hairs of hearing receptors

tectorial membrane

air-filled space containing auditory ossicles

tympanic cavity

cone-shaped, semitransparent membrane attached to malleus

tympanic membrane

auditory ossicle attached to tympanic membrane

malleus

contains endolymph

membranous labyrinth


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