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1血栓形成的机制血管壁受损、血液成份质和量的异常以及血流状态的变化，如血流缓慢、停滞和形成旋涡等，是血栓形成的基本原因。从形态上看血栓有白色、红色和红白混合3种。白色血栓主要由血小板组成，多发生在血流急速的部位如动脉和心腔内，也见于静脉血栓的起始部位。在白
1 Thrombosis mechanism Damage to the blood vessel wall, abnormalities in the quality and quantity of blood components, and changes in blood flow state, such as slow blood flow, stagnation and vortex formation, are the basic causes of thrombosis. From the morphological point of thrombus white, red and red and white mixed 3 kinds. White thrombus is mainly composed of platelets, occurred in parts of rapid blood flow such as the artery and heart chamber, also found in the initial site of venous thrombosis. In white