Unit 8: Pain, Inflammation, Fever Flashcards
analgesics
medications that relieve pain without causing loss of consciousness
pain
pain is most commonly defined as an unpleasant sensory and emotional experience associated with either actual or potential tissue damage
nociceptors
pain results from the stimulation of sensory nerve fibers known as nociceptors. These receptors transmit pain signals from various body regions to the spinal cord and brain
nociception
sensation of pain
mu receptors
pain perception is closely linked to the number of mu receptors. This number is controlled by a single gene, the mu opioid receptor gene. When the number of receptors is high, pain sensitivity is diminished.
pain tolerance
the psychological element of pain. This is the amount of pain a patient can endure without its interfering with normal function.
somatic pain
originates from skeletal muscles, ligaments, and joints
visceral pain
originates from organs and smooth muscles