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• A compound or drug that binds to receptors in the brain involved in the control of pain and other functions (e.g., morphine, heroin, hydrocodone, oxycodone).

  National Institute on Drug Abuse - Cite This Source - This Definition
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  Cite Definition for Opioid

  American Psychological Association (APA)

  Opioid. (n.d.). NIH Prescription Drug Abuse Glossary. Retrieved May 29, 2023, from website: http://www.expertglossary.com/definition/opioid.

  Chicago Manual of Style (CMS)

  Opioid. www.drugabuse.gov. NIH Prescription Drug Abuse Glossary. National Institute on Drug Abuse. http://www.expertglossary.com/definition/opioid (accessed: May 29, 2023).

  Modern Language Association (MLA)

  "Opioid." NIH Prescription Drug Abuse Glossary. National Institute on Drug Abuse. 29 May. 2023 http://www.expertglossary.com/definition/opioid.

• Browse Related Terms: Active Ingredient, agonist, antagonist, Biological Product, Buprenorphine, Detoxification, Drug, methadone, Opioid, Therapeutic Biological Product

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