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
Categories: alkaloid, antidote, antispasmodic, antispasmodic agent, counterpoison, mydriatic, mydriatic drug, poison, poisonous substance, spasmolytic
Within this category: belladonna