Pacinian corpuscles are present in the:
Correct answer: D. Skin
- A. Retina
- B. Lungs
- C. Liver
- D. Skin
Explanation
Pacinian corpuscles are pressure receptors lying deep in the dermis of the skin, built as layers of connective tissue wrapped around a nerve ending. The retina carries photoreceptors, not touch receptors, and the lungs and liver are not sites of these encapsulated pressure endings.
This question appeared on the UHS MDCAT 2026 paper, which you can sit online with every answer explained.
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About Receptors
Receptors are specialized cells or proteins that detect stimuli such as light, sound, pressure, temperature and chemicals, then initiate responses through sensory or hormonal pathways. Questions distinguish sensory receptors from effectors, compare receptor types, and examine stimulus conversion into nerve impulses, including the roles of rods, cones, chemoreceptors and mechanoreceptors.
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