Dictionary

zymogen

noun zy·mo·gen \ˈzī-mə-jən\

Definition of ZYMOGEN

:  an inactive protein precursor of an enzyme secreted by living cells and converted (as by a kinase or an acid) into an active form —called also proenzyme
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Origin of ZYMOGEN

International Scientific Vocabulary
First Known Use: 1877
Medical Dictionary

zymogen

noun zy·mo·gen \ˈzī-mə-jən\

Medical Definition of ZYMOGEN

:  an inactive protein precursor of an enzyme secreted by living cells and converted (as by a kinase or an acid) into an active form—called also proenzyme

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