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Intrinsic factor

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Definition   

Intrinisic factor is a protein, produced by glands in the stomach lining, which is necessary for intestinal absorption of vitamin B12.

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.

Update Date: 10/23/2003

Updated by: A.D.A.M. editorial.

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