The principal alkaloid of ipecac, used as an emetic; its salts are used in amebiasis; available as the hydrochloride.
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em·e·tine 'em-ə-.tēn n an amorphous alkaloid C29H40N2O4 extracted from ipecac root and used as an emetic and expectorant
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em·e·tine (emґə-tēn) an alkaloid, obtained from ipecac or prepared by methylation of cephaeline.Medical dictionary. 2011.