tet·ra·caine 'te-trə-.kān n a crystalline basic ester that is closely related chemically to procaine and is used chiefly in the form of its hydrochloride C15H24N2O2·HCl as a local anesthetic called also amethocaine, pantocaine see PONTOCAINE
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n.
a potent local anaesthetic applied as a gel to the skin before intravenous injections or the insertion of a cannula. It is also applied as eye drops before eye operations and as a cream for the relief of local pain. Trade name: Ametop.
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tet·ra·caine (tetґrə-kān) [USP] a local anesthetic applied topically to the skin, mucous membranes, and conjunctiva. Called also amethocaine.Medical dictionary. 2011.