enkephalin |
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navigate by keyword : analgesia analgesic antagonist anxiety artwork brain cascade cell channel computer cord depression drug dynorphin endorphin enkephalin euphoria hallucinogenic illustration ion membrane molecular molecule opiate opioid pain protein receptor rendering sedation signal spinal stress structure |
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The opioid receptors display a role in modulating pain perception; opioid agonists are therefore potent analgesics. They appear mainly in the brain and spinal cord. The endogenous opioids are enkephalin, dynorphin, endorphin and nociceptin. |
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