endorphin

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en·dor·phin

 (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.

[endo(genous) + (mo)rphin(e).]

endorphin

(ɛnˈdɔːfɪn)
n
(Biochemistry) any of a class of polypeptides, including enkephalin, occurring naturally in the brain, that bind to pain receptors and so block pain sensation
[C20: from endo- + morphine]

en•dor•phin

(ɛnˈdɔr fɪn)

n.
any of a group of peptides, resembling opiates, that are released in the body in response to stress or trauma and that react with the brain's opiate receptors to reduce the sensation of pain.
[1970–75; end(ogenous) (m)orphine]

en·dor·phin

(ĕn-dôr′fĭn)
Any of a group of substances found in the nervous system, especially in the brain, that regulate the body's response to pain and other stimuli.
Did You Know? In the 1970s, scientists began to wonder why drugs like morphine could kill pain so effectively. Researchers knew that morphine attached to specific body molecules called receptors, so they reasoned that these receptors probably existed because the body itself had natural painkilling compounds that also bonded to those receptors. They searched and finally found proteins called endorphins, a word that combines endogenous, meaning "naturally occurring within the body," and morphine. When your body is under stress, it can produce endorphins so that you can still function under what would otherwise be exceptionally painful conditions. Many long-distance runners, for example, claim that after they run for a while they start to feel exceptionally happy, a condition sometimes called a runner's high. High levels of endorphins in response to the strain of running seem to be responsible for this state of mind.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.endorphin - a neurochemical occurring naturally in the brain and having analgesic properties
peptide - amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein
neurochemical - any organic substance that occurs in neural activity
beta endorphin - an endorphin produced by the pituitary gland that suppresses pain
enkephalin - an endorphin having opiate qualities that occurs in the brain and spinal cord and elsewhere
Translations

endorphin

[ˌenˈdɔːfɪn] Nendorfina f

endorphin

nEndorphin nt

endorphin

n endorfina
References in periodicals archive ?
Use exercise to clear your head, refocus and enjoy the endorphin rush. This will ultimately help you feel stronger, both physically and mentally LIFESTYLE CHANGE Look to surround yourself with positive people, this will help and boost your self-confidence help you push forward and enjoy life
While chocolate doesn't affect everyone the same way, for some people, it can cause extreme reactions, ranging from euphoria and an endorphin rush to anger, paranoia, and rage.
Science says that as running gets your heart rate up the alcohol will be coursing through your veins even more quickly, plus you get the exercise endorphin rush, so there's no doubt you'll leave feeling great.
"Something is different." Some people get an endorphin rush or a "runner's high" after working out, while other people get a rush from other activities.
Kari Furre, of the Outdoor Swimming Society, says: "A festive swim is a real tonic and gives an endorphin rush like nothing else, which is why swimmers return year after year." For a list of swims, safety advice and to find if open-water swimming is suitable for you, visit www.outdoorswimmingsociety.com/festive-swims.
I always go into it clock watching, thinking, 'I can't wait for this to be over', then halfway through I'm like, 'This isn't so bad', and once it's done I fly through the day on an endorphin rush. I skip at home too, that's fun and it doesn't feel like a workout.
Another hurdle is thinking that running slow might be "less manly," according to Sacheck, or that you can't get an endorphin rush from taking it slow.
I'll never forget the sweet, intoxicating taste followed by the immediate nose-clearing, burning sensation, wrapped all together in an incredible endorphin rush. From that moment forward, I've been hooked on horseradish.
"You're going to come out of a class with an endorphin rush, an emotional high and a sense of accomplishment."
The nerves are starting to bubble up again, but they're soon replaced with a bigger endorphin rush, and a huge sense of pride when we hit the last note of One Love.