Functional iron deficiency can be defined as an imbalance between the iron needs of the erythroid marrow and iron supply. Iron deficiency occurs in the absence of iron deposits, as in the case of iron deficiency anemia ...

The etiology of anemia is characterized by abnormal hemoglobin synthesis. Iron deficiency is characterized by microcytic and hipochromic red cells and low serum ferritin, being the most prevalent nutritional deficiency ...

Iron deficiency is considered to be the commonest hematological pathology in humans. Thus, the essential steps in an adequate approach of iron deficiency include: the proper identification of its causes and the differentiation ...