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This is a blood test for pernicious anemia, which is caused by a deficiency of vitamin B-12. The disease used to be life-threatening, but today it can be treated with vitamin B-12 shots or pills. To get enough vitamin B-12, your body needs a protein called intrinsic factor (IF). This protein is made by your stomach lining.
Anti-intrinsic factor antibodies are detectable in the serum in up to 70% of patients with pernicious anemia, providing a highly specific, but less sensitive, test for this condition. The two types of anti-intrinsic factor antibodies include one that blocks the attachment of cobalamin to intrinsic factor, and one that blocks attachment of the ...
Dec 13, 2023 · Intrinsic and extrinsic motivation refer to the forces that drive behavior. Internal motivation arises from within, while external motivation comes from outside forces. That means that if you are intrinsically motivated, you'll engage in a behavior because you enjoy doing it. If you are extrinsically motivated, you'll do it to get a reward .
Intrinsic factor is a glycoprotein principally secreted by the parietal cells of the stomach. Its secretion is governed by the same biochemical processes that regulate acid secretion and its action is to assist in the absorption of vitamin B12. Vitamin B 12 is released from dietary proteins by the action of pepsin and then combines with R ...
Define intrinsic factor. intrinsic factor synonyms, intrinsic factor pronunciation, intrinsic factor translation, English dictionary definition of intrinsic factor. n. A glycoprotein that is secreted by the gastric mucous membrane and is essential for the absorption of vitamin B12 in the intestines.
intrinsic factor in American English a substance secreted by the stomach which permits the absorption of vitamin B 12 in the intestines, thus preventing pernicious anemia Webster’s New World College Dictionary, 4th Edition.
Examples of INTRINSIC FACTOR in a sentence, how to use it. 15 examples: A lack of intrinsic factor may arise from an autoimmune condition targeting the parietal cells…
