Definition of ThrombocytopeniaThrombocytopenia: : A low platelet count. Platelets are irregular, disc-shaped element in the blood that assists in blood clotting. thrombocytopenia can arise due to decreased production of platelets in the bone marrow or increased breakdown of platelets in the bloodstream, spleen, or liver. Thrombocytopenia is characterized by easy bruising and increased bleeding. Last Editorial Review: 6/14/2012 Back to MedTerms online medical dictionary A-Z List Need help identifying pills and medications? |
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