Source:http://linkedlifedata.com/resource/umls/id/C0221793
CSP: broad family of plant alkaloids with narcotic effects; historically used as sedatives, anesthetics, analgesics, and euphoriants; heroin and morphine are highly addictive, abused drugs.,MSH: Alkaloids found in OPIUM from PAPAVER that induce analgesic and narcotic effects by action upon OPIOID RECEPTORS.,CHV: sedative narcotics containing opium,CHV: sedative narcotics containing opium