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Physiology

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Central Nervous System

Question
15 out of 20
 

Which of the following phrase adequately describes Pacinian corpuscles



A A type of pain receptors

B Slowly adapting touch receptors

C Rapidly adapting mechanoreceptors

D Located in the joints

Ans. C Rapidly adapting mechanoreceptors
  1. Pacinian corpuscles are present in the skin, some mucous membranes, etc.
  2. They are mechanoreceptors Q, responding to pressure, or any kind of mechanical stimulus causing a deformation of the corpuscle.
  3. The Pacinian corpuscle has a single afferent nerve fiber Its end is covered by a sensitive receptor membrane whose sodium channels will open when the membrane is deformed in any way It is surrounded by several concentric capsules of connective tissue with a viscous gel between them.

Central Nervous System Flashcard List

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