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opium poppy |
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opium the air-dried milky exudation from unripe capsules of the opium poppy Papaver somniferum or its variety P. somniferum album. Opium contains some 25 alkaloids, the most important being morphine (from which heroin is derived), narcotine, codeine, papaverine, thebaine and narceine; the alkaloids are used for their narcotic and analgesic effect. It is poisonous in large doses. Because it is highly addictive, opium production and cultivation of opium poppies is prohibited by most nations by international agreement, and its sale or possession for other than medical or veterinary uses is strictly prohibited by law. camphorated tincture of opium see paregoric. opium poppy see papaversomniferum. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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