Intrinsic factor

Definition

Intrinsic factor is a protein produced by glands in the stomach lining. It is necessary for the absorption of vitamin B-12 by the intestines.

A deficiency in intrinsic factor can cause pernicious anemia. Such deficiencies can be caused by surgical removal of the stomach, inherited conditions, or other diseases.

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intrinsic factor; achievement factor intrinsic reading; factor function intrinsic