Hearing and Balance Mechanoreceptors
1
What is the difference between Optic and Otic
Optic refers to eye and Otic refers to ear
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2
What are the 3 section of ear?
Outer (external) ear, Middle (ossicles) ear for hearing and inner (labyrinth) ear for
hearing and equilibrium
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3
What are the 7 main parts of ear?
Tympanic Membrane, Malleus (Hammer), Incus (Anvil), Stapes (stirrup), Oval Window,
Cochlea and Semicircular Canals.
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4
, What is the function of 3 small bones (Malleus, Incus and Stapes)
Tympanic membrane vibrates in response to sound waves Malleus vibrates due to
change in Tympanic Membrane Incus vibrates due to change in Malleus Stapes vibrates
due to change in incus
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5
What is the function of Oval Window?
Oval Window moves fluid within cochlea in response to vibrations from stapes
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6
What in the function of Cochlea?
Contains receptors that react to changes in sound waves
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7
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