Tag Archives: vitamin b12 deficiency
Anemia, Megaloblastic (Vitamin B12 and Folic Acid Deficiency)

Anemia, Megaloblastic (Vitamin B12 and Folic Acid Deficiency)

The anemias caused by deficiencies of the vitamins B12 and folic acid show identical bone marrow and peripheral blood changes. Both vitamins are essential for DNA synthesis. Pathophysiology The two main vitamin deficiencies may coexist. In each case, hyperplasia of the bone marrow occurs, and the precursor erythroid and myeloid cells are large and bizarre […]

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