Pacinian corpuscle in dermis
A Pacinian corpuscle is a relatively large structure (up to a millimeter in diameter) located deep in dermis. Each corpuscle resembles a tiny onion, with many concentric layers encapsulating a central nerve ending.
Historical note: An array of "Pacinian" corpuscles attached to digital nerves are shown at right, as reported from dissection by Vater nearly a century before Pacini.
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Last updated: 13 June 2022 / dgk