endogenous opioid peptide


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endogenous opioid peptide

Any of a group of more than 15 substances present in the brain, certain endocrine glands, and the gastrointestinal tract. They have morphine-like analgesic properties, behavioral effects, and neurotransmitter and neuromodulator functions. Included in this group of chemicals are endorphins, enkephalins, and dynorphin.
See also: peptide
References in periodicals archive ?
Among the neurotransmitters that affect the release of gonadal secretions are endogenous opioid peptides like enkephalin, dynorphin, beta endorphins etc.
Endogenous opioid peptides are involved in CNS functions from development to immune modulation (52-53).
Gama Duarte, "Probable involvement of [alpha]2C-adrenoceptor subtype and endogenous opioid peptides in the peripheral antinociceptive effect induced by xylazine," European Journal of Pharmacology, vol.
Endogenous opioid peptides and the control of the menstrual cycle.
Modulation by endogenous opioid peptides of the secretion of LHRH from cockerel (Gallus domesticus) mediobasal hypothalamic tissue.
Involvement of corticotropin-releasing hormone and endogenous opioid peptides in prolactin-suppressed gonadotropin-releasing hormone release in vitro.
In joints, endogenous opioid peptides have been identified in human inflamed synovium, where they are thought to act on intraarticular opioid receptors to reduce joint pain (15).
Endogenous opioid peptides, such as beta-endorphin and enkephalin, function to inhibit pain and they are also the 'feel good' substances that are released following high levels of exercise or love.