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10 Cards in this Set
- Front
- Back
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what part of the ear?
Designed to collect and focus sound waves to the tympanic membrane |
external ear
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what part of the ear?
transmits vibrations across the chain of ossicles to the cochlear portion of the inner ear |
middle ear
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what part of the ear?
fluid filled chamber in which sound waves are converted to action potentials in the cochlear nerve |
inner ear
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Normal hearing frequency range for humans is
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50-16,000 Hz
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Greatest sensitivity is in the range of
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2000 to 4000Hz
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Tympanic Membrane converts
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sound waves into mechanical motion (of middle ear ossicles)
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Ossicles provide the mechanical transduction system converting ___ waves into ___waves
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air waves to waves in fluid
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Dampening of loud sound is mediated through the
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tensor tympani (CN V)
Stapedius (CN VII) |
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bone labyrinth contains what type of lymph
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perilymph
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membranous labyrinth contains what type of lymph
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endolymph
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