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9 Cards in this Set

  • Front
  • Back
Pain
the subjective conscious appreciation of a stimulus that is causing, or threatening to cause, tissue damage.
Nociception
the physical process of detection and transmission of damaging or potentially damaging (noxious) stimuli
Nociceptors
Structures which detect noxious stimuli
Algesia
the induction of a condition leading to nociception and pain
Analgesia
reduction or prevention of either nociception or pain without loss of consciousness
Mechanical nociceptors?
detect high intensity mechanical, strong thermal (>60C)
myelinated and thicker
Polymodal nociceptors?
detect high intensity mechanical, thermal (heat >45C and cold <10C), chemical
unmyelinated
What fiber is the first pain caused by?
A delta fiber
myelinated and thicker
fast sharp pain
well tolerated
What fiber is the second pain caused by?
C fiber
slow pain
burn aching, throbbing, itch
poorly tolerated