Ear Structure, Hearing & Equilibrium - Lab 30-31
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Anatomy and Physiology Lab
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45 Terms
What is 1?
Outer ear
What is 2?
Middle ear
What is 3?
Inner ear
What is 4?
Eustachian/Auditory tube
What is 1?
Auricle/Pinna
What is 2?
External auditory canal
What is 3?
Tympanic membrane
What is 1?
Middle ear cavity/Tympanic cavity
What is 2?
Malleus
What is 3?
Incus
What is 4?
Stapes
What is 5?
Tympanic membrane
What is 6?
Inner ear
What is 1?
Cochlea
What is 2?
Vestibule
What are 3?
Semicircular canals
What is 4?
Vestibulocochlear nerve
What is 1?
Stapes
What is 2?
Cochlea
What is 3?
Vestibule
What are 4?
Semicircular canals
What is 5?
Vestibulocochlear nerve
What is 6?
Oval window
What is 7?
Round window
What is 1?
Scala vestibuli
What is 2?
Cochlear duct/Scala media
What is 3?
Spiral organ/Organ of corti
What is 4?
Scala tympani
What is 5?
Hair cells
What is 6?
Stereocilia
What is 7?
Tectorial membrane
What is 8?
Nerve fibers
collects sound waves
Auricle (Pinna)
carries sound to the eardrum
External auditory canal
vibrates when sound hits it
Tympanic membrane (eardrum)
the three tiny bones that amplify sound
Ossicles
the first to receive vibrations from the eardrum
Malleus
passes vibrations along
Incus
sends vibrations to the inner ear
Stapes
pushes vibrations to inner ear
Oval window
equalizes air pressure
Eustachian tube
converts sound into nerve signals
Cochlea
helps with balance and head position
Vestibule
detects head movement
Semicircular canals
sends hearing and balance signals to the brain
Vestibulocochlear nerve