Auditory Physiology - Klapstein

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Can you name the Auditory Physiology - Klapstein ?

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Membranous labyrinth containing endolymph.
_______ labyrinth is continuous with subarachnoid space and is filled with perilymph which is similar to CSF. High Na, Low K.
______ membrane: divide scala vestibuli and scala media.
_____ of cochlea: narrow and stiff. more sensitive to higher frequencies.
Serve as a compound lever which can amplify sound waves between the tympanic membrane and the oval window of cochlea
Bending the stereocilia bundle toward the tallest stretches the tip link and opens a cation channel in stereocilia. K+ enters and ______ the hair cell & firing rate in CN8 increase
Muscle on the neck of stapes. Motor innervation from CN7. Decreases sound transmission.
______ deafness: impairment of sound transmission prior to cochlea. Cerumen, perforation, sclerosis of ossicles.
Most spiral ganglion receive their input only from _____ hair cells.
Perception of sound in absence of external source.
A gelatinous mass which assists the mechanical transduction by the hair cells.
Ossicle that is attached to oval window of cochlea
Muscle on the handle of the malleus. Motor innervation from CN5. Decreases sound transmission.
Ossicle that attaches to Tympanic membrane
Weber Test: in Sensorineural hearing loss, tone is ______ on normal side
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Very slow pressure changes will dissipate through the _______ with little effect on the basilar membrane.
_____ of cochlea: wider and floppier. lower frequencies
Lies within the scala media and contain hair cells which transduce sound into neural signals
Rinne Test: in Sensorineural hearing loss, air conduction is better, but hearing is _______ in affected ear.
______ deafness: impairment of the cochlea or auditory nerve. Exposure to loud sounds, meningitis, drugs, trauma, meniere.
Name a cause of Tinnitus. aminoglycosides, cisplatin, aspirin, quinine
______ labyrinth is filled with endolymph. Low Na, High K.
Contains the spiral ganglion with cell bodies of the cochlear nerve.
_____ tones: lateral part of the gyrus in tonotopic map
Weber Test: in Conductive hearing loss, tone is louder on ______ side
A disorder of the inner ear in which circulation of endolymph is impeded resulting in swelling (hydrops) of the membranous labyrinth. Vertigo, tinnitus, fullness in ear, hearing lo
_____ tones: medial part of the gyrus in tonotopic map.
Amplified basilar vibration that can be detected by placing a very sensitive microphone sealed in the external auditory canal.
Communicate at the apical end via the helicotrema. Contain perilymph.
Rinne Test: in Conductive hearing loss, _______ conduction is better than air.

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Created Nov 12, 2011ReportNominate
Tags:auditory, physiology