| − | '''Opium''' is a narcotic drug, a crude extract of the opium [[poppy]], Papaver somniferum. [[Morphine]], and its prodrug [[codeine]], are the narcotic substances that occur naturally in opium. Further processing of opium produces [[heroin]], synthesised from the dry latex of the opium poppy, and other '''opiate''' drugs, so called for their source. | + | '''Opium''' is a narcotic drug, a crude extract of the opium [[poppy]], Papaver somniferum. [[Morphine]], and its prodrug [[codeine]], are the narcotic substances that occur naturally in opium. Further processing of opium produces [[heroin]], synthesised from the dry latex of the opium poppy, and other '''opiate''' drugs, so called for their source, although some such drugs are synthesised by scientists in labs using the same chemical structure. |