receptor types in skin

Question 1

merkel cell neurite complexes

Answer 1

fiber type: A-beta
sense type: mechanoreceptor
adaptability: slow
other: sensitive to edges reading braille

Question 2

follicular nerve endings

Answer 2

fiber type: naked A-beta, A-delta terminals
sense type: mechanoreceptors
adaptability: rapid adapting
other: associated with hairs

Question 3

free nerve endings

Answer 3

fiber type: A-delta and C
sense type: thermoreceptors nociceptors (polymodal)
adaptability: N/A
other: axons shed perineurial and myelin sheath

Question 4

meissner’s corpuscles

Answer 4

fiber type: A-beta fibers
sense type: mechanoreceptor
adaptability: rapid
other: embossed/textured surfaces, stacks of glial lamelle

Question 5

ruffini endings

Answer 5

fiber type: A-beta
sense type: mechanoreceptor
adaptability: slow
other: shearing stress

Question 6

pacinian corpuscles

Answer 6

fiber type: A-beta
sense type: mechanoreceptor
adaptability: rapid
other: sensitive to vibration (tuning fork), onion of perineurial epithelium around naked axon