血栓症 xiěshuānzhēng thrombosis Origin Definitions Defs Strokes Stroke Words Sentences Sents 静脉血栓症 jìngmàixuèshuānzhèng phlebothrombosis a medical condition where a blood clot forms inside a vein; if the clot moves to the heart or lungs it can be life-threatening and usually requires treatment with blood thinners