vitamin K
Definition: generic descriptor for compounds with the biologic activity of phylloquinone; fat-soluble, thermostable compounds found in alfalfa, pork, liver, fish meal, and vegetable oils, essential for the formation of normal amounts of prothrombin.
Synonym(s): antihemorrhagic factor, antihemorrhagic vitamin
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Examples: glitazone, GI cocktail, etc.

