Pacinian corpuscle

Pacinian corpuscle

[puh-sin-ee-uhn]
noun
(sometimes lowercase) a microscopic, onionlike body consisting of layers of connective tissue wrapped around a nerve ending, located in the deep layers of skin, tendons, etc., and functioning as a sensory receptor of pressure and vibration.

Origin:
1875–80; after Filippo Pacini (1812–83), Italian anatomist; see -ian

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