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How to sign: a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil; also administered in large amounts as an antidote for organophosphate nerve agents or organophosphate insecticides

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Categories: alkaloid, antidote, antispasmodic, antispasmodic agent, counterpoison, mydriatic, mydriatic drug, poison, poisonous substance, spasmolytic

Within this category: belladonna

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