Medical Dictionary

methonium

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noun me·tho·ni·um \mə-ˈthō-nē-əm\

Medical Definition of methonium

  1. :  any of several bivalent doubled substituted ammonium ions (as decamethonium or hexamethonium) in which the two quaternary nitrogen atoms are separated by a polymethylene chain methonium salts used in the treatment of hypertension


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