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  2. Hypochromic anemia - Wikipedia

    en.wikipedia.org/wiki/Hypochromic_anemia

    Hypochromic anemia is a generic term for any type of anemia in which the red blood cells are paler than normal. (Hypo- refers to less, and chromic means colour.) A normal red blood cell has a biconcave disk shape and will have an area of pallor in its center when viewed microscopically. In hypochromic cells, this area of central pallor is ...

  3. Normocytic anemia - Wikipedia

    en.wikipedia.org/wiki/Normocytic_anemia

    Normocytic anemia is a type of anemia and is a common issue that occurs for men and women typically over 85 years old. Its prevalence increases with age, reaching 44 percent in men older than 85 years. [1] The most common type of normocytic anemia is anemia of chronic disease. [1]

  4. Microcytic anemia - Wikipedia

    en.wikipedia.org/wiki/Microcytic_anemia

    Microcytic anaemia; Microcytosis is the presence of red cells that are smaller than normal. Normal adult red cell has a diameter of 7.2 µm. Microcytes are common seen in with hypochromia in iron-deficiency anaemia, thalassaemia trait, congenital sideroblastic anaemia and sometimes in anaemia of chronic diseases. Specialty: Hematology

  5. Hemolytic anemia - Wikipedia

    en.wikipedia.org/wiki/Hemolytic_anemia

    Defects of red blood cell membrane production (as in hereditary spherocytosis and hereditary elliptocytosis). [2] Defects in hemoglobin production (as in thalassemia, sickle-cell disease and congenital dyserythropoietic anemia). [2] Defective red cell metabolism (as in glucose-6-phosphate dehydrogenase deficiency and pyruvate kinase deficiency ...

  6. Glucose-6-phosphate dehydrogenase deficiency - Wikipedia

    en.wikipedia.org/wiki/Glucose-6-phosphate_de...

    A similar relationship exists between malaria and sickle-cell disease. One theory to explain this is that cells infected with the Plasmodium parasite are cleared more rapidly by the spleen . This phenomenon might give G6PD deficiency carriers an evolutionary advantage by increasing their fitness in malarial endemic environments.

  7. Balancing selection - Wikipedia

    en.wikipedia.org/wiki/Balancing_selection

    A well-studied case is that of sickle cell anemia in humans, a hereditary disease that damages red blood cells. Sickle cell anemia is caused by the inheritance of an allele (HgbS) of the hemoglobin gene from both parents. In such individuals, the hemoglobin in red blood cells is extremely sensitive to oxygen deprivation, which results in ...

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