L13 Flashcards
1
Q
what are the SAII receptors
A
ruffini corpuscle
2
Q
where are the ruffini corpuscle located
A
in the dermis
3
Q
___ primary afferent innervates a single ruffini ending
A
1
4
Q
firing characteristics of SAI
A
- sustained force continue to release neurotransmitter
- irregular discharge
- codes spatial perception, texture, edges and curvature, pressure
5
Q
SAII firing characteristics
A
- high threshold to indentation
- sensitive to skin stretch
- regular discharge
- provides proprioceptive feedback, skin movement direction
- no distinct receptive field boarders
