Pernicious Anemia : Articles
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Pernicious anemia is a decrease in red blood cells that occurs when the body cannot properly absorb vitamin B12 from the gastrointestinal tract. Vitamin B12 is necessary for the formation of red blood cells. Pernicious anemia is a type of megaloblastic anemia. See also: Anemia
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Pernicious anemia is a disease in which the red blood cells are abnormally formed, due to an inability to absorb vitamin B 12 . True pernicious anemia refers specifically to a disorder of atrophied parietal cells leading to absent intrinsic factor, resulting in an inability to absorb B 12 .
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