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5 Cards in this Set

  • Front
  • Back
Auditory Canal
-between pinna and tympanic membrane
-channels sound to ear
Middle Ear
consists of an air-filled cavity within the skulls temporal bone
Tympanic Membrane
-vibrates in response to sound waves
3 bones
a.mallus: hammr
b.incus: anvil
c.stapes: stirup
-oval window
-eustachian tube
Inner Ear
-utricle and saccule
-semicircular canals: equilibrium
-cochlea: fluid filled bony snail shaped chamber that houses organ of Corti
-Organ of Corti: contains hair cells, organ of hearing
Sound Wave To Nerve Impulses
-sound wave hits tympanic membrane
-transmitted through 3 bones to oval window
-pressure changes in fluid of cochlea