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Aplasia - Definition


Aplasia indicates an impairment of the cells or tissues, which begins at the end of their development. Numerous types of aplasia exist, among which are bone marrow aplasia, arterial aplasia, and bone aplasia. Aplasia occurs after birth and is not contagious. The principal causes of aplasia are cancer treatments, viral or bacterial infections, exposure to radiation, or an immunological reaction. It can lead to other symptoms among which are a feeling of fatigue, bleeding, increased vulnerability to infections, direct consequences of the lack of cells being formed in the marrow, red and white blood cells, and platelets.