因为这种唾液含有抗凝剂，可帮助它们更快地吸取你的血液。
This saliva can help them to drink your blood more quickly, because it contains a cocktail of anticoagulants.
硫酸乙酰肝素是肝磷脂的前体，是重要的抗凝剂，目前只能从血液中提取，从未成功合成提取过，它并不是蛋白质，而是一种富硫似糖的分子，经常参与糖基化反应。
This is a precursor to heparin, an important anti-clotting agent that has, at present, to be extracted from blood, rather than being synthesised. Heparan sulphate is not a protein.
血液稀释剂抗凝剂可以降低产生血凝块的危险。包括肝素、华法林(香豆素)。
Blood thinners. Medications called anticoagulants help decrease your blood's ability to clot and reduce your risk of developing blood clots. Anticoagulants include heparin or warfarin (Coumadin).
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