Structures of the Ear - Structures of the Ear \u25cf Outer ear \u25cb Pinna external acoustic meatus and tympanic membrane \u25cb Sound entering the external

Structures of the Ear - Structures of the Ear ● Outer ear...

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Structures of the Ear Outer ear: Pinna, external acoustic meatus, and tympanic membrane Sound entering the external acoustic meatus sets the eardrum into vibration These structures are involved with sound transmission only Middle ear: Ossicles and pharyngotympanic tube within the tympanic cavity Ossicles transmit the vibratory motion from the eardrum to the oval window Pharyngotympanic tube allows pressure to be equalized on both sides of the
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Unformatted text preview: eardrum ○ Only involved with sound transmission ● Inner ear: ○ Consists of bony chambers (cochlea, vestibule, and semicircular canals) in the temporal bone ○ Contains perilymph and membranous sacs filled with endolymph ○ Within the membranous sacs of the vestibule and semicircular canals are equilibrium receptors ○ Hearing receptors are found within the membranes of the cochlea...
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