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15 Cards in this Set
- Front
- Back
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Gathers sound waves and directs them into the ear |
Outer/external ear |
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The ______ ________ ______ leads in through the temporal bone to the tympanic membrane |
External auditory meatus |
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The tympanic membrane is the... |
Eardrum |
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The _____ ear lies between the tympanic membrane and 2 small membranous openings |
Middle ear |
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Membrane that connects the middle ear to the upper half of cochlea |
Oval window |
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Membrane that connects the middle ear with the lower half of cochlea |
Round window |
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Equalizes air pressure inside and outside the tympanic membrane and allows drainage of secretions of middle ear |
Eustachian tube |
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The _____ sits directly on the oval window |
Stapes |
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Bony labyrinth consists of: |
Semicircular canals Vesitibule Cochlea |
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Dynamic equalibrium is associated with the ... |
Semicircular canals |
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Ducts that run through cochlea are: |
Vestibular duct Cochlear duct Tympanic duct |
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What does the organ of corti do? |
Has hairs that move and distinct movements send signals to cochlear branch of vestibularcochlear nerve which are then transmitted to the brain |
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What type of lymph does the vestibular duct contain |
Perilymph |
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The cochlear duct contains... |
Endolymph |
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The tympanic duct contains .... |
Perilymph |
