Pacinian corpuscles
E942989
Pacinian corpuscles are specialized mechanoreceptors in the skin and other tissues that detect deep pressure and high-frequency vibration.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Pacinian corpuscle | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
encapsulated nerve ending
ⓘ
mechanoreceptor ⓘ sensory receptor ⓘ |
| adaptationType |
phasic receptor
ⓘ
rapidly adapting ⓘ |
| affectedBy | peripheral neuropathy ⓘ |
| afferentPathway | dorsal column–medial lemniscus pathway ⓘ |
| alsoKnownAs | lamellar corpuscle NERFINISHED ⓘ |
| associatedWith | A-beta nerve fibers NERFINISHED ⓘ |
| capsuleComposedOf |
connective tissue lamellae
ⓘ
flattened Schwann cells ⓘ |
| category |
cutaneous receptor
ⓘ
deep dermal receptor ⓘ |
| detects |
deep pressure
ⓘ
high-frequency vibration ⓘ |
| distribution | more numerous in hands and feet ⓘ |
| doesNotEncode | sustained static pressure well ⓘ |
| firstDescribedBy | Filippo Pacini NERFINISHED ⓘ |
| firstDescribedInYear | 1831 ⓘ |
| foundIn |
hairless (glabrous) skin
ⓘ
hairy skin ⓘ |
| function |
discriminative touch
ⓘ
proprioceptive information from joints ⓘ vibration sense ⓘ |
| location |
dermis of the skin
ⓘ
external genitalia ⓘ fingers ⓘ hypodermis of the skin ⓘ joints ⓘ mesentery ⓘ palms ⓘ pancreas ⓘ periosteum ⓘ soles of the feet ⓘ subcutaneous tissue ⓘ urinary bladder ⓘ |
| namedAfter | Filippo Pacini NERFINISHED ⓘ |
| nerveFiberType | Aβ fiber ⓘ |
| presentIn |
humans
ⓘ
mammals ⓘ |
| receptiveField | large receptive field ⓘ |
| respondsBestTo | vibration around 200 Hz ⓘ |
| roleInClinicalTesting | assessed by tuning fork vibration tests GENERATED ⓘ |
| senses | onset and offset of pressure ⓘ |
| structure |
central unmyelinated nerve ending
ⓘ
onion-like concentric lamellae ⓘ |
| threshold | low threshold mechanoreceptor ⓘ |
| transductionMechanism | mechanically gated ion channels ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pacinian corpuscle