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| apomorphine |
a white crystalline alkaloid made from morphine, used as an expectorant and emetic. |
| colchicine |
a poisonous alkaloid used to cause chromosome doubling in experiments and as medicine for gout. |
| nicotine |
a poisonous alkaloid that occurs in tobacco and is used in insecticides. |
| quinidine |
a colorless crystalline alkaloid that resembles quinine, obtained from cinchona bark. |
| rauwolfia |
an extract from the root of one of these plants, containing the alkaloid reserpine, used as a tranquilizer and sedative. [1/2 definitions] |
| reserpine |
an alkaloid obtained from the root of the rauwolfia, used in the treatment of hypertension and as a tranquilizer. |
| scopolamine |
a thick alkaloid syrup used as a sedative or truth serum, or to dilate the pupil of the eye. |
| theobromine |
a bitter, crystalline alkaloid related to caffeine, found in cacao plants, kola nuts, chocolate, and tea, and used as a diuretic and nerve stimulant. |
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