Normal blood (on the right) is compared to blood from an iron-deficient person (on the left). The red cells are hypochromic; they lack hemoglobin. Hypochromia is judged by how big the hole is in the center of the cell or, conversely, by how wide the band of hemoglobin is on the edge. The hypochromia on this blood would be reported as marked. Hypochromia may be seen in chronic blood loss, thalassemia syndromes, and other diseases with ineffective erythropoiesis.
Course Section: 01. Description of Red Blood Cells
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