More Related Content
More from sallamahmed1 (20)
Lecture+6
- 5. Saturday, November 10, 2018 5
Mechanical pain
receptors
Thermal pain
receptors
Chemical pain
receptors
Intact tissue cell
Chemical
substance
Chemical
substance
Chemical
substance
Painful
stimulus TRP channels
- 6. Saturday, November 10, 2018 6
Mechanical pain
receptors
Thermal pain
receptors
Mechanical pain
receptors
Thermal pain
receptors
Chemical
substance
Chemical
substance
- 15. Saturday, November 10, 2018 15
Mechanical pain
receptors
Thermal pain
receptors
Mechanical pain
receptors
Thermal pain
receptors
Chemical
substance
Chemical
substance
- 17. Saturday, November 10, 2018 17
Pain
receptors
Pain
receptors
Pain
receptors
Injured
area
1ry hyperalgesia:
Lowering the
threshold of pain
receptors (sensitized
nociceptors)
(peripheral
senstization)
Flare
1ry
- 18. Saturday, November 10, 2018 18
1ry hyperalgesia 2ry hyperalgesia
Receptor sensitivity
Receptor (stimulus)
threshold
Central sensitivity
Central threshold
- 19. Saturday, November 10, 2018 19
Pain
receptors
Pain
receptors
Pain
receptors
Injured
area
Flare
1ry
Pain Normal skin
2ry
Central sensitization
Pain
receptors
- 20. Saturday, November 10, 2018 20
Mechanical pain
receptors
Mechanical pain
receptors
Mechanical pain
receptors
Chemical
substance
1ry hyperalgesia
2ry hyperalgesia
- 21. Saturday, November 10, 2018 21
1ry hyperalgesia 2ry hyperalgesia
Receptor sensitivity
Receptor (stimulus)
threshold
Central sensitivity
Central threshold