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Dispoline :: Dispoline (n.) One of several isomeric organic bases of the quinoline series of alkaloids.

Atropine :: Atropine (n.) A poisonous, white, crystallizable alkaloid, extracted from the Atropa belladonna, or deadly nightshade, and the Datura Stramonium, or thorn apple. It is remarkable for its power in dilating the pupil of the eye. Called also daturine..

Ricinine :: Ricinine (n.) A bitter white crystalline alkaloid extracted from the seeds of the castor-oil plant.

Alkaloid :: Alkaloid (n.) An organic base, especially one of a class of substances occurring ready formed in the tissues of plants and the bodies of animals..

Homatropine :: Homatropine (n.) An alkaloid, prepared from atropine, and from other sources. It is chemically related to atropine, and is used for the same purpose..

Solanidine :: Solanidine (n.) An alkaloid produced by the decomposition of solanine, as a white crystalline substance having a harsh bitter taste..

Thebaine :: Thebaine (n.) A poisonous alkaloid, C19H21NO3, found in opium in small quantities, having a sharp, astringent taste, and a tetanic action resembling that of strychnine..

Arnicine :: Arnicine (n.) An alkaloid obtained from the arnica plant.

Collidine :: Collidine (n.) One of a class of organic bases, C8H11N, usually pungent oily liquids, belonging to the pyridine series, and obtained from bone oil, coal tar, naphtha, and certain alkaloids..

Veratrine :: Veratrine (n.) A poisonous alkaloid obtained from the root hellebore (Veratrum) and from sabadilla seeds as a white crystalline powder, having an acrid, burning taste. It is sometimes used externally, as in ointments, in the local treatment of neuralgia and rheumatism. Called also veratria, and veratrina..

Opianine :: Opianine (n.) An alkaloid found in small quantity in opium. It is identical with narcotine.

Harmaline :: Harmaline (n.) An alkaloid found in the plant Peganum harmala. It forms bitter, yellow salts..

Aricine :: Aricine (n.) An alkaloid, first found in white cinchona bark..

Gelsemine :: Gelsemine (n.) An alkaloid obtained from the yellow jasmine (Gelsemium sempervirens), as a bitter white semicrystalline substance; -- called also gelsemia..

Cinchona :: Cinchona (n.) The bark of any species of Cinchona containing three per cent. or more of bitter febrifuge alkaloids; Peruvian bark; Jesuits' bark.

Solanine :: Solanine (n.) A poisonous alkaloid glucoside extracted from the berries of common nightshade (Solanum nigrum), and of bittersweet, and from potato sprouts, as a white crystalline substance having an acrid, burning taste; -- called also solonia, and solanina..

Jaborine :: "Jaborine (n.) An alkaloid found in jaborandi leaves, from which it is extracted as a white amorphous substance. In its action it resembles atropine..

Veratralbine :: Veratralbine (n.) A yellowish amorphous alkaloid extracted from the rootstock of Veratrum album.

Caffeine :: Caffeine (n.) A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana..

Alkaloidal :: Alkaloidal (a.) Pertaining to, resembling, or containing, alkali..

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