SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
Touch receptor. Historical artwork of a Pacinian corpuscle, a sensory receptor for touch found in the dermis of the skin. The corpuscle consists of a sensory nerve ending surrounded by a capsule of 'onion-skin' membrane layers. It is stimulated by changes in pressure which cause mechanical deformation of the membrane, and is particularly sensitive to vibrations. Artwork taken from The Family Physician: a Manual of Domestic Medicine.
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