idiopathic thrombocytopenic purpura n.
A systemic illness of unknown cause, characterized by extensive ecchymoses and hemorrhages from mucous membranes, deficiencies in the numbers of platelets, anemia, and extreme weakness. Also called immune thrombocytopenic purpura, purpura hemorrhagica, thrombocytopenic purpura, Werlhof's disease.
|idiopathic thrombocytopenic purpura|
|purpura associated with a reduction in circulating blood platelets which can result from a variety of factors [syn: thrombocytopenic purpura]|