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.
服用阿司匹林前，应先检查自己的身体状况，包括血小板计数、凝血功能、肝肾功能等。
To take aspirin before checking their physical condition, including platelet count, coagulation function, liver and kidney function.
结论植入前合理地选择心脏停搏供体的供肝，有助于提高此类供体肝移植的存活率。
Conclusion Rational selection of hepatic allograft procured from cardiac arrest donors before implantation would be conducive to raising the survival rate of liver transplantation.
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