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)

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2
Q

chronic pain

A

> 6 mo

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3
Q

alpha and C fibres

A

alpha are bigger, more myelin, faster

C are smaller, slower, diffuse, chronic pain

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4
Q

somatic vs visceral

A

somatic = bone, skin, muscles, tendons

visceral = organs (often stretching of the viscera)

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