Microcyte
Microcyte
Microcyte (pronounced: /ˈmaɪkrəʊsaɪt/), from the Greek words micros meaning small and kytos meaning cell, is a term used in medicine to describe a red blood cell that is smaller than normal.
Definition
A microcyte is a red blood cell that is abnormally small, typically less than 6 micrometers in diameter. The normal diameter of a red blood cell is approximately 6-8 micrometers. Microcytes are often associated with conditions such as iron deficiency anemia, thalassemia, and other anemias.
Causes
Microcytosis, the condition of having microcytes, is often caused by a deficiency in iron, which is necessary for the production of hemoglobin, the protein in red blood cells that carries oxygen. Other causes can include genetic disorders such as thalassemia, in which the body makes an abnormal form of hemoglobin, and some forms of cancer.
Diagnosis
Microcytosis is typically diagnosed through a complete blood count (CBC), which measures the size and number of red blood cells in a sample of blood. If microcytes are present, further tests may be done to determine the cause.
Treatment
Treatment for microcytosis typically involves addressing the underlying cause. This may involve iron supplements for iron deficiency, medication or blood transfusions for thalassemia, or treatment for any underlying cancers.
Related Terms
- Anemia: A condition in which the blood doesn't have enough healthy red blood cells.
- Hemoglobin: A protein in red blood cells that carries oxygen.
- Thalassemia: A genetic blood disorder that affects the body's ability to produce normal hemoglobin.
- Iron deficiency anemia: A common type of anemia caused by a lack of iron in the body.
External links
- Medical encyclopedia article on Microcyte
- Wikipedia's article - Microcyte
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