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Thrombotic thrombocytopenic purpura

Etymology:

1) Thrombotic = Gr. thrómbōsis: “curdling, clotting” 

2) Thrombocytopenic = Gr. thrómbos: “lump, piece, blood clot" + Gr. kútos: “vessel, jar” (referring to "cell") + Gr. penía: “poverty, lack” 

3) Purpura = Gr. porphúra: “purple-fish”, so named for purple color

Definition:

A rare disorder of the blood-coagulation system, causing extensive microscopic clots in the small blood vessels.

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