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