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Pain - Coggle Diagram
Pain
Categories of pain.
Acute pain
Short lasting
Localized
Chronic pain
Long lasting
Poorly localized
Cutaneous pain
Involves skin or subcutaneous tissue.
Visceral pain.
Poorly localized and originates in body organs.
Psychogenic pain
Physical cause for pain cannot be identified.
Neurotransmitters
Dynorphin
The endorphin having the most potent analgesic effect.
Endorphins
Morphine-like substances released by the body that alters perception of pain.
Bradykinin
Powerful vasoconstrictor that increases capillary permeability and constricts smooth muscle.
Prostaglandins
Important hormone-like substances that send additional pain stimuli to the CNS.
Substance P
Sensitizes receptors on nerves to feel pain and also increases the rate of firing of nerves.
Four physiologic processes involved in the pain response.
Transduction
Transmission
Perception
Modulation
The process by which sensations of pain is inhibited or modified.
Involves the sensory process that occurs when a stimulus for pain is present.
Includes the person's interpretation of the pain.
Pain sensations from the site of an injury or inflammation are conducted along pathways to the spinal cord, then onto higher centers in the brain.
The activation of pain receptors.
Analgesic
Pharmaceutical agent used to relieve pain.
Pain is unique and different for every person.