pain Flashcards
1
Q
4 phases of nociception
A
transduction (substance P, histamines, prostaglandins, etc)
transmission
perception
modulation (serotonin, GABA, endorphins, enkephalins, dynorphins, nor-epi)
2
Q
chronic pain
A
> 6 mo
3
Q
alpha and C fibres
A
alpha are bigger, more myelin, faster
C are smaller, slower, diffuse, chronic pain
4
Q
somatic vs visceral
A
somatic = bone, skin, muscles, tendons
visceral = organs (often stretching of the viscera)
