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Health Encylopedia
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| Intrinsic factor |
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| Subject | Contents |
| Definition | A chemical substance produced by the gastric mucosa (stomach) which is necessary for intestinal absorption of vitamin B12 . A deficiency in intrinsic factor can cause pernicious anemia . Deficiencies in intrinsic factor can be caused by surgical removal of the stomach or diseases that cause the gastric mucosa to shrink. |
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