Opioid Written by NCI Thesaurus v.07.09d   

Definition of Opioid A class of synthetic chemicals/drugs similar to opiates (opium derivatives) with analgesic properties. Due to binding to opiate receptors, opioids mimic opiate activity on neurons, various cells (i.e. lymphocytes), pain suppression and other neurobehavioral activity. (NCI) Opioid is from the group Alkaloid Other Names for Opioid Opioid narcotic opioids Source NCI Thesaurus License

 

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