Hemoglobin E


Normal embryonic hemoglobin, the main type of hemoglobin found in the human embryo. The E stands for embryonic and also for epsilon, a chain that is unique to embryonic hemoglobin. Originally known as Gower-2.

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    Normal fetal hemoglobin, the main type of hemoglobin found in the fetus and newborn baby. The F stands for fetal.

  • Hemoglobin normal values

    11.7-13.8 gm/dl All of these values may vary slightly between laboratories. Some laboratories do not differentiate between adult and “after middle age” hemoglobin values.

  • Hemoglobin S

    The most common type of abnormal hemoglobin and the basis of sickle cell trait and sickle cell anemia. Hemoglobin S differs from normal adult hemoglobin (called hemoglobin A) only by a single amino acid substitution (a valine replacing a glutamine in the 6th position of the beta chain of globin). Recognition of this tiny change […]

  • Hemoglobin, glycosylated

    Hemoglobin to which glucose is bound. Glycosylated hemoglobin is tested to monitor the long-term control of diabetes mellitus. The level of glycosylated hemoglobin is increased in the red blood cells of persons with poorly controlled diabetes mellitus. Since the glucose stays attached to hemoglobin for the life of the red blood cell (normally about 120 […]

  • Hemoglobinuria

    The presence of free hemoglobin in the urine, which may make the urine look dark. Normally, there is no hemoglobin in the urine. Hemoglobinuria is a sign of a number of abnormal conditions, such as bleeding and paroxysmal nocturnal hemoglobinuria.


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