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花生四烯酸（ＡＡ）是一组含有４个烯键的二十碳不饱和脂肪酸的总称，它的代谢产物中有很多成分具有强烈的生物学活性。其中，ＴＸＡ２是目前发现的最强的缩血管物质和最强的血小板聚集剂之一。ＬＴＢ４是一种重要的炎症介质，在１０－１０～１０－９ｍｏｌ／Ｌ浓度就有明显的
Arachidonic acid (AA) is a group of four ethylenically unsaturated fatty acids with a total of 20, its metabolites in many components have a strong biological activity. Among them, TXA2 is one of the strongest vasoconstrictors and strongest platelet aggregators found so far. LTB4 is an important inflammatory mediator, at a concentration of 10-10 ~ 10-9mol / L, there is obvious