zymogen

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Related to Enzyme precursors: proenzyme, zymogen granules

zymogen

 [zi´mo-jen]
an inactive precursor that is converted into an active enzyme by action of an acid or another enzyme or by other means; a proenzyme. adj., adj zymogen´ic.

pro·en·zyme

(prō-en'zīm),
The precursor of an enzyme, requiring some change (usually the hydrolysis of an inhibiting fragment that masks an active grouping) to render it active; for example, pepsinogen, trypsinogen, profibrolysin.
Synonym(s): zymogen

zymogen

(zī′mə-jən)
n.

zymogen

an inactive precursor that is converted into an active enzyme by action of an acid, another enzyme, or other means.

pro·en·zyme

(prō-en'zīm)
The precursor of an enzyme, requiring some change (usually the hydrolysis of an inhibiting fragment that masks an active grouping) to render it active, e.g., pepsinogen, trypsinogen, profibrinolysin.
Synonym(s): zymogen.

zymogen

The inactive protein precursor of an ENZYME.

zymogen

an inactive precursor of an enzyme, particularly those concerned with protein digestion, for example, PEPSINOGEN and TRYPSINOGEN. Zymogens require ACTIVATION ENERGY to become functional.

zymogen

an inactive precursor that is converted into an active enzyme by action of an acid or another enzyme or by other means; a proenzyme.

zymogen cells
the secretory cells that secrete the zymogens.
zymogen granules
contained in the cytoplasm of the secretory cells in the relevant gland. Contain the zymogen.
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