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pernicious anemia
noun
, Pathology.
- a severe anemia caused by the diminution or absence of stomach acid secretion, with consequent failure of the gastric mucosa to secrete the intrinsic factor necessary for the absorption of vitamin B 1 2 , characterized by a great reduction in the number of red blood cells and an increase in their size.
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Word History and Origins
Origin of pernicious anemia1
First recorded in 1870–75
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