Physiologic events from the time of painful stimulus to the actual perception of pain

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Physiologic events from the time of painful stimulus to the actual perception of pain

One can track pain processing from the stimulus delivered at a finger to nerves ascending the somatosensory pathway from the peripheral nervous system to the brain.

The depiction of a nail going through the fingertip is the pain stimulus.

This painful stimulus first encounters the afferent nociceptors. Most nociceptors are bare nerve endings.

Pain conveying fibers are either C-fibers or A-delta nerve fibers.

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