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Questions and Answers
Which structure is primarily responsible for sensing sound vibrations within the cochlea?
Which structure is primarily responsible for sensing sound vibrations within the cochlea?
- Oval window
- Helicotrema
- Organ of Corti (correct)
- Basilar membrane
What is the correct sequence of ducts in the cochlea from the oval window to the round window?
What is the correct sequence of ducts in the cochlea from the oval window to the round window?
- Oval window, Round window, Cochlear duct
- Vestibular duct, Cochlear duct, Tympanic duct (correct)
- Cochlear duct, Tympanic duct, Vestibular duct
- Tympanic duct, Cochlear duct, Vestibular duct
Which part of the cochlea contains hair cell receptors?
Which part of the cochlea contains hair cell receptors?
- Tympanic duct
- Saccule
- Vestibular duct
- Organ of Corti (correct)
The helix structure at the apex of the cochlea is known as?
The helix structure at the apex of the cochlea is known as?
What is the role of the oval window in the anatomy of the cochlea?
What is the role of the oval window in the anatomy of the cochlea?
Which part of the cochlea is involved in transmitting sound vibrations to the inner ear structures?
Which part of the cochlea is involved in transmitting sound vibrations to the inner ear structures?
The helicotrema is found at the base of the cochlea.
The helicotrema is found at the base of the cochlea.
Name the duct that is located between the vestibular duct and the tympanic duct.
Name the duct that is located between the vestibular duct and the tympanic duct.
The structure containing hair cell receptors in the cochlea is known as the _______.
The structure containing hair cell receptors in the cochlea is known as the _______.
Match the following cochlear structures with their functions:
Match the following cochlear structures with their functions:
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Study Notes
Vestibular Apparatus
- Essential for balance and spatial orientation.
- Includes saccule, which detects vertical movements.
- Vestibular duct plays a role in the transmission of sound vibrations.
Cochlea
- Spiral-shaped structure crucial for hearing.
- Oval window serves as the entry point for sound waves into the cochlea.
- Uncoiled description indicates its structure can be unfolded to study its components.
- Round window acts as a flexible membrane allowing for sound wave displacement.
- Organ of Corti contains hair cell receptors, essential for converting sound vibrations into nerve signals.
- Cochlear duct, filled with endolymph, aids in sound transmission.
- Basilar membrane supports the Organ of Corti and vibrates in response to sound.
- Tympanic duct structures the cochlea, housing perilymph fluid.
- Helicotrema connects the scala vestibuli with scala tympani, crucial for pressure balancing within the cochlea.
Vestibular Apparatus
- Essential for balance and spatial orientation.
- Includes saccule, which detects vertical movements.
- Vestibular duct plays a role in the transmission of sound vibrations.
Cochlea
- Spiral-shaped structure crucial for hearing.
- Oval window serves as the entry point for sound waves into the cochlea.
- Uncoiled description indicates its structure can be unfolded to study its components.
- Round window acts as a flexible membrane allowing for sound wave displacement.
- Organ of Corti contains hair cell receptors, essential for converting sound vibrations into nerve signals.
- Cochlear duct, filled with endolymph, aids in sound transmission.
- Basilar membrane supports the Organ of Corti and vibrates in response to sound.
- Tympanic duct structures the cochlea, housing perilymph fluid.
- Helicotrema connects the scala vestibuli with scala tympani, crucial for pressure balancing within the cochlea.
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