Meph·y·ton 'mef-ə-.tän trademark used for a preparation of vitamin K1

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Meph·y·ton (mefґĭ-ton) trademark for preparations of phytonadione (vitamin K1).

Medical dictionary. 2011.

Look at other dictionaries:

  • Vitamin K — One of two naturally occurring fat soluble vitamins (vitamin K1 and vitamin K2) needed for the clotting of blood because of an essential role in the production of prothrombin (a clotting factor). The term vitamin A may also refer to a synthetic… …   Medical dictionary

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