intrinsic factor

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intrinsic factor

A glycoprotein that is secreted by the gastric mucous membrane and is essential for the absorption of vitamin B12 in the intestines.

intrinsic factor

(Biochemistry) biochem a glycoprotein, secreted by the stomach, the presence of which is necessary for the absorption of cyanocobalamin (vitamin B12) in the intestine

intrin′sic fac`tor

a gastric glycoprotein involved in the absorption of vitamin B12.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.intrinsic factor - a substance produced by the mucosa of the stomach and intestines that is essential for the absorption of vitamin B12; "lack of intrinsic factor can result in pernicious anemia"
factor - anything that contributes causally to a result; "a number of factors determined the outcome"

in·trin·sic fac·tor

n. factor intrínseco, proteína normalmente presente en el jugo gástrico humano.