静じょう脈みゃく洞どう血けっ栓せんMeaningsNoun1. sinus thrombosisKanji used静quiet脈vein洞cave血blood栓plugComposed of静じょう脈みゃくveinNoun洞どうsinus; cavity; antrum; neighborhood (administrative division in North Korea)Noun血けっ栓せんthrombus; blood clotNoun