1910–1911
Britannica 11th
Encyclopaedia Britannica · 11th edition
EMETICS (from Gr. e/iertKos, causing vomit), the term given to substances which are administered for the purpose of producing vomiting. It is customary to divide emetics into two classes, those which produce their effect by acting on the vomiting centre in the medulla, and those which act directly on the stomach itself. There is considerable confusion in the nomenclature of these two divisions, but all are agreed in calling the former class central emetics, and the latter gastric. The gastric emetics in common use …
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- Vol. 9, pp. 336-336