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opiate

opiate An opiate is a natural or synthetic substance related to morphine from the poppy plant.

An opiate is a natural or synthetic substance related to morphine from the poppy plant. It acts on specific receptors in the brain and body, affecting the central nervous system and smooth muscle, and includes substances such as opium, morphine, codeine, and heroin.

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Sources

Drafting source: NCI Thesaurus. Flat export snapshot 2026-10-18. “Opiate” (C1657).
CC-BY-4.0 · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: b27ca135beadd46c343d248135377c5077c5447fe11b93803bfab866b84fcd38

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “opiate.” Development preview.

Version 1 · SHA-256: 82bb4f7bd5d39ceedf95e3349df3376ca74cbe12c33321b55a9a9898a60f5f23

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