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血小板在血液凝固过程中的促凝作用之一是其膜的促凝磷脂的显露（flip－flop）并发挥促凝作用[1~3]。在血液凝固过程中有两个基本的阶段，即凝血因子X和凝血酶原的活化，其过程依赖于促凝磷脂的存在。静止状态的血小板膜上磷脂的分布是极化的非对称状。而带负电行的促凝磷脂─
One of the procoagulant effects of platelets during blood clotting is their flip-flop of procoagulant phospholipids and their procoagulant effect [1-3]. There are two basic phases in blood clotting, the activation of factor X and prothrombin, the process of which depends on the presence of procoagulant phospholipids. The distribution of phospholipids on resting platelets is polarized asymmetrically. And negatively charged line of procalcified phospholipid ─ ─