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Questions and Answers
Which structure in the inner ear resembles a snail shell and is the organ of hearing?
Which structure in the inner ear resembles a snail shell and is the organ of hearing?
- Semicircular canals
- Vestibule
- Bony labyrinth
- Cochlea (correct)
What is the function of the middle ear in the hearing process?
What is the function of the middle ear in the hearing process?
- Contain the organ of hearing
- Transmit sound vibrations to the inner ear (correct)
- Maintain equilibrium
- Produce sound waves for hearing
What do the structures lined with membranous labyrinth contain?
What do the structures lined with membranous labyrinth contain?
- Bony labyrinth
- Perilymph fluid (correct)
- Receptors of auditory sensations
- Fluid-filled spaces
What is the main function of the tympanic membrane in the hearing process?
What is the main function of the tympanic membrane in the hearing process?
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Which bone is part of the auditory ossicles in the middle ear?
Which bone is part of the auditory ossicles in the middle ear?
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Study Notes
Inner Ear Structure
- The cochlea, resembling a snail shell, is the organ of hearing.
Middle Ear Function
- The middle ear functions to amplify and transmit sound vibrations to the inner ear.
Membranous Labyrinth
- Structures lined with the membranous labyrinth contain a clear fluid called endolymph.
Tympanic Membrane Function
- The tympanic membrane (eardrum) vibrates from sound waves, transmitting these vibrations to the middle ear.
Auditory Ossicles
- The malleus (hammer) is a bone that makes up the auditory ossicles in the middle ear.
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