Pacinian corpuscle
Type of mechanoreceptor cell in hairless mammals / From Wikipedia, the free encyclopedia
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The Pacinian corpuscle, lamellar corpuscle or Vater-Pacini corpuscle[1] is one of the four major types of mechanoreceptors (specialized nerve ending) for mechanical sensation) found in mammalian skin. This type of mechanoreceptor is found in both hairy, and hairless skin, viscera, joints, and attached to the periosteum of bone, primarily responsible for sensitivity to vibration.[2] A few are also sensitive to quasi-static or low frequency pressure stimuli.[citation needed] Most of them respond only to sudden disturbances and are especially sensitive to vibration of a few hundreds hertz.[3] The vibrational role may be used for detecting surface texture, such as rough and smooth. Most of the Pacinian corpuscles act as rapidly adapting mechanoreceptors. Groups of corpuscles respond to pressure changes, such as on grasping or releasing an object.
Pacinian corpuscle | |
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Details | |
Location | Skin |
Identifiers | |
Latin | corpusculum Pacinian |
MeSH | D010141 |
TH | H3.11.06.0.00009 |
FMA | 83604 |
Anatomical terms of microanatomy |