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Get Answers to all your Questions
Q5. Write short notes on the following:
(g) Cochlea
Answers (1)
- The cochlea is a bony coiled structure. It is the part of the inner ear. It arises from the saccule.
- The cochlear cavity is divided into three chambers by the two membranes-Reissner's membrane and basilar membrane.
- The upper chamber is called the scala vestibule, the middle chamber is the scala media and the lower chamber is the scala tympani.
- Scala tympani and scala vestibuli are filled with the perilymph, while scala media is filled with the endolymph.
- The basilar membrane bears the organ of Corti.
- The organ of Corti is connected with the nerve fibres of the auditory nerve which connects to the brain.
- The organ of Corti is the organ of hearing.
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