Question

write short note on cochlea ​

Answer 1

Answer:

The cochlea is a portion of the inner ear that looks like a snail shell (cochlea is Greek for snail.) The cochlea receives sound in the form of vibrations, which cause the stereocilia to move. The stereocilia then convert these vibrations into nerve impulses which are taken up to the brain to be interpreted.

Answer 2

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→ The cochlea represents the ‘hearing’ part of the inner ear and is situated in the temporal bone. It derives its name from the Greek ‘kokhliās’ (meaning ‘snail’) as it forms a spiral structure during development, which makes it resemble a snail shell. The cochlea interacts with the middle ear via two holes that are closed by membranes: the oval window, which is located at the base of the scala vestibuli and which undergoes pressure from the stapes (see ‘middle ear’), and the round window, which seals the base of the tympanic membrane and is used to relieve pressure.

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