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Neurophysiology

Chapter 30 Potter

QuestionAnswer
Found in the pain neurons of the dorsal horn substance P - excitatory neurotransmitters
Needed to transmit pain impulses from the periphery to higher brain centers substance P - excitatory neurotransmitters
Causes vasodilation and edema substance P - excitatory neurotransmitters
Released fro the brain stem and dorsal horn to inhibit pain transmission serotonin - excitatory neurotransmitters
Increase sensitivity to pain prostaglandins - excitatory neurotransmitters
Body's natural supply of morphinelike substances endorphins, enkephalins, & dynorphins - inhibitory neurotransmitters
Activated by stress and pain endorphins, enkephalins, & dynorphins - inhibitory neurotransmitters
Located within the brain, spinal cord, and gastrointestinal tract endorphins, enkephalins, & dynorphins - inhibitory neurotransmitters
Cause analgesia when they attach to opiate receptors in the brain endorphins, enkephalins, & dynorphins - inhibitory neurotransmitters
Released from plasma that leaks from surrounding blood vessels at the site of tissue injury bradykinin - inhibitory neurotransmitters
Binds to receptors on peripheral nerves, increasing pain stimuli bradykinin - inhibitory neurotransmitters
Created by: chaptravelman
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