The human ear - Anatomy - Sound transduction is a multistep process

5 important questions on The human ear - Anatomy - Sound transduction is a multistep process

What is the first step of sound transduction?

Energy from the soundwaves transfer to mechanical vibrations in the tympanic membrane.

What is the second step of sound transduction?

When the mechanicle vibrations reach the Oval window it creates fluid waves in the cochlea.

What is the third step of sound transduction?

The fluid waves in the cochlea open ion channels in the hair cells which are sensoy receptors for hearing.
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What is the fourth step of sound transduction?

The opening of the ion channels in the hair cells create an electric signal, which releases neurotransmitters.

What is the fifth step of sound transduction?

The released neurotransmitters trigger  action potentials in the primary auditory neurons.

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