Podcast
Questions and Answers
What is the function of the pinna?
What is the function of the pinna?
What does the ear canal do?
What does the ear canal do?
Conducts sound vibrations from the pinna to the tympanic membrane
What is the tympanic membrane commonly known as?
What is the tympanic membrane commonly known as?
Eardrum
The ossicles are located in the ______.
The ossicles are located in the ______.
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What is the function of the ossicles?
What is the function of the ossicles?
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What do the semicircular canals help maintain?
What do the semicircular canals help maintain?
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What connects the middle ear to the throat?
What connects the middle ear to the throat?
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What does the cochlea do?
What does the cochlea do?
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What does the auditory nerve do?
What does the auditory nerve do?
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Study Notes
Parts of the Ear and Their Functions
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Pinna: The visible external part of the ear, shaped in a helical form, acts as a funnel to direct sound into the ear.
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Ear Canal: A passage that conducts sound from the pinna to the tympanic membrane, protecting the eardrum from damage.
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Tympanic Membrane: Also known as the eardrum, it vibrates in response to sound waves, serving as a boundary between the outer and middle ear.
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Ossicles: Comprising three tiny bones in the middle ear, they are among the smallest bones in the body and help transmit sound from air to the cochlea.
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Tympanic Cavity: An air-filled space in the ear that houses the ossicles and facilitates sound transmission.
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Eustachian Tube: A narrow tube linking the middle ear to the throat, it maintains equal pressure on both sides of the eardrum.
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Cochlea: A spiral-shaped, fluid-filled structure in the inner ear, where sound waves convert to nerve impulses.
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Semicircular Canals: Three canals located in the inner ear containing receptor cells that help maintain balance by detecting body movement.
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Auditory Nerve: Transmits auditory signals from the inner ear to the brain, allowing for the perception of sound.
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Description
Explore the anatomy and functions of the ear with these flashcards. From the pinna to the ear canal, learn how each part contributes to our ability to hear. Engage with key terms and definitions that illustrate the complex workings of the auditory system.
