Rahul is able to distinguish between rough and smooth surface. Which of the following cutaneous receptor allows him to sense it?

Pacinian corpuscles

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Nociceptor

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Merkel nerve endings

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None of the above

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Solution

The correct option is A Pacinian corpuscles
Pacinian corpuscles are encapsulated mechanoreceptors found in deep layers of the skin that sense vibratory pressure and touch i.e tactile sensation. Hence Rahul is able to distinguish between rough and smooth surface due to these Pacinian corpuscles. Thus the correct answer is option A.

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