Unit4 Nervous / Sensory Systems LAB 16 ears

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4 Terms

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external ear

auricle- function: funnels sound into the ear, composed of elastic cartilage

external auditory canal

tympanic membrane

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middle ear

auditory ossicles

  • malleus

  • incus

  • stapes

oval window

round window

auditory tube- function: connects middle ear to nasopharynx to equilibrate pressure in the middle ear


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inner ear

cochlea

  • scala vestibuli

  • cochlear duct

  • scala tympani

  • basilar membrane

    • hair cells

  • tectorial membrane

semicircular canals- function: detects rotational acceleration and deceleration

vestibule- function: detects changes in head position and linear acceleration and deceleration

vestibulocochlear nerve CN VIII

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