endorphin met enkephalin molecule |
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| navigate by keyword : addiction antidepressant brain central ecstatic emotion endogenous endorphin enkephalin euphoria feeling feelings happiness happy hormone hypothalamus morphine nervous neuropeptid neurotransmitter opiate opioid orgasm pleasure system |
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| Endorphins are endogenous opioid neuropeptids. that are segregated by the central nervous system and the pituitary gland. |
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