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The inactive precursor to pepsin, formed in cells of the mucous membrane of the stomach and converted to pepsin by autocatalysis in the presence of hydrochloric acid.


(Biochemistry) the inactive precursor of pepsin produced by the stomach


(pɛpˈsɪn ə dʒən, -ˌdʒɛn)

a crystalline proenzyme of the gastric glands, converted to pepsin during digestion.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pepsinogen - precursor of pepsin; stored in the stomach walls and converted to pepsin by hydrochloric acid in the stomach
enzyme - any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
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The mean value of plasma pepsinogen in individuals with blood group O (564 units/mL) was higher than that in individuals with blood group A (494 units/mL).
Pathophisiology of gastrointestinal trichostrongyles in sheep: plasma losses and changes in plasma pepsinogen levels associated with parasitic challenge of immune animals.

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