zymogen

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Related to zymogen granules: Enzyme precursors

zy·mo·gen

 (zī′mə-jən)
n.

zymogen

(ˈzaɪməʊˌdʒɛn)
n
(Biochemistry) biochem any of a group of compounds that are inactive precursors of enzymes and are activated by a kinase

zy•mo•gen

(ˈzaɪ mə dʒən, -ˌdʒɛn)

n.
any of various enzyme precursor molecules that may change into an enzyme as a result of catalytic change. Also called proenzyme.
[< German (1875); see zymo-, -gen]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.zymogen - any of a group of compounds that are inactive precursors of enzymes and require some change (such as the hydrolysis of a fragment that masks an active enzyme) to become active
organic compound - any compound of carbon and another element or a radical
References in periodicals archive ?
Importantly, cytoplasmic zymogen granules are absent.
The Inactive enzymes, or proenzymes, contained in pancreatic zymogen granules are listed below along with the specific substances theey digest when activated.
These are large, polygonal cells with abundant and lightly basophilic and granular cytoplasm that contains dense, blue-purple, fine to coarse zymogen granules (figure 2).