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Human Body & Health

If a neurotoxin selectively blocks Piezo2 channels in human Pacinian corpuscles, which sensory effect follows?

A)Inability to detect high temperatures
B)Impaired ability to sense vibration
C)Loss of sharp pain sensation
D)Reduced ability to detect light touch

💡 Explanation

Pacinian corpuscles are responsible for sensing vibration via the activation of Piezo2 channels. Therefore, if these channels are blocked by a neurotoxin, the mechanotransduction mechanism is disrupted, and the individual loses the ability to detect vibrations, rather than pressure or temperature, because those are sensed by different receptors.

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