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intrinsic factor

noun

, Biochemistry.
  1. a glycoprotein, secreted by the gastric mucosa, that is involved in the intestinal absorption of vitamin B 12 .

intrinsic factor

noun

  1. biochem a glycoprotein, secreted by the stomach, the presence of which is necessary for the absorption of cyanocobalamin (vitamin B 12 ) in the intestine

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Word History and Origins

Origin of intrinsic factor1

First recorded in 1925–30

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