Primary Afferent neurons Flashcards
(11 cards)
1
Q
A delta respond to
A
Respond to mechanical stimulation heat and cold
2
Q
A delta, duration and feeling
A
Short duration
Sharp, stabbing, prickling
3
Q
a delta- size, myelinated? and speed
A
Small
Myelinated
4-30 m/s
4
Q
A delta percentage of pain afferent
A
20%
5
Q
is a delta blocked by opioids
A
Not blocked by opioids
6
Q
c afferent, duration, and feeling
A
Longer duration
Dull throbbing, aching, burning, tingling
7
Q
c afferent- size, myelinated?, Speed.
A
small
Unmyelinated
.5- 2 m/s
8
Q
c afferent percentage of pain afferents
A
80%
9
Q
can c afferents be blocked by opioids
A
Yes they can
10
Q
a alpha
A
proprioception
Myelinated
11
Q
a beta
A
non-painful sensation, vibration, stretching, mechanical pressure
Myelinated
