hemorrhagic purpura [Gk, haima, blood, rhegnynei, to gush; L, purpura, purple] , bruises or purple skin discolorations of 1 cm in diameter or greater, suggesting systemic bleeding; usually associated with diminished strength of vascular walls, thrombocytopenia, von Willebrand disease, and platelet disorders. See immune thrombocytopenic purpura, thrombopenic purpura.
