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Question
Biology
Posted 2 months ago
how does the organisation and structure of the malleus, incus and stapes modulate incoming stimuli
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Answer from Sia
Posted 2 months ago
Answer
The malleus, incus, and stapes are small bones in the middle ear that play a crucial role in hearing by transmitting and amplifying sound vibrations from the eardrum to the inner ear.
Solution
a
Malleus: The malleus, also known as the hammer, is attached to the eardrum. When sound waves cause the eardrum to vibrate, these vibrations are transferred to the malleus
b
Incus: The incus, or anvil, is connected to the malleus. It receives vibrations from the malleus and transmits them to the stapes
c
Stapes: The stapes, or stirrup, is the smallest bone in the human body. It receives vibrations from the incus and transmits them to the oval window of the cochlea in the inner ear
Key Concept
The malleus, incus, and stapes are essential for the transmission and amplification of sound vibrations in the ear.
Explanation
These three bones form a chain that efficiently transfers sound vibrations from the outer ear to the inner ear, where they are converted into neural signals for the brain to interpret as sound.

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