Thrombocytopenia is a condition characterized by abnormally low levels of platelets, also known as thrombocytes, in the blood.A normal human platelet count ranges from 150,000 to 450,000 platelets per microliter of blood. Values outside this range do not necessarily indicate disease. One common definition of thrombocytopenia requiring emergency treatment is a platelet count below 50,000 per microliter. Thrombocytopenia can be contrasted with thrombocythemia, and thrombocytosis, conditions of an abnormally ...
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