endorphin

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Related to Endorphines: serotonin, dopamine

endorphin

 [en-dor´fin]
one of a group of opiate-like peptides produced naturally by the body at neural synapses at various points in the central nervous system pathways, where they modulate the transmission of pain perceptions. The term endorphin was coined by combining the words endogenous and morphine. Like morphine, endorphins raise the pain threshold and produce sedation and euphoria; the effects are blocked by naloxone, a narcotic antagonist.

endorphin

(ĕn-dôr′fĭn)
n.
Any of a group of peptide hormones that bind to opioid receptors and act as neurotransmitters. Endorphins reduce the sensation of pain and affect emotions.

endorphin

Physiology An endogenous opioid–eg, endorphin, leu-enkephalin, met-enkephalin, dynorphin; each binds to a cognate receptor; endorphins act as neurotransmitters and neuromodulators, they are concentrated in the brain and associated with analgesia. See Enkephalin, Neuropeptide, Neurotransmitter, POMC.

en·dor·phin

(ĕn-dōr'fĭn)
A natural substance produced in the brain that binds to opioid receptors, thus dulling the perception of pain; postulated to trigger "exercise high," a state of euphoria and exhilaration during intense exercise.

endorphin

a small protein produced in the nervous system of vertebrates exhibiting actions similar to morphine.
References in periodicals archive ?
It can also tone up the face and stomach as well as conferring the same endorphine rush that exercise, sex and chocolate bring.
Guerlain Happylogy Night Glowing Overnight Treatment, from pounds 37 Makers promise it will activate endorphines within the skin as you sleep.
Sex is great exercise, releases endorphines which de-stresses you, and - most importantly - it's free!
``It has helped my songwriting because when I write songs my brain is floodedwithadrenalinand endorphines. It gives my brain enough dopamine to allow me to concentrate long enough to write the songs even if that takes weeks.
Contact with a pet releases feel-good endorphines that lower the heart rate and boost the immune system.
This encourages the release of endorphines, the chemicals which make us feel happy, lively and sexy.