If a clot dislodges and travels toward the brain , a stroke may occur .
假如血凝块从心脏脱落而随血流到达大脑，有可能产生中风。
The fibrin clot which then forms is consolidated by the action of platelet contractile proteins .
接下来由血小板收缩蛋白进行巩固形成纤维蛋白凝块。
In 2009 , mr ho had a clot removed from his brain after a fall .
2009年，何鸿在跌倒后曾接受手术，从脑中取出一个血块。
Like the hard-scale buildup in pipes , fibrous plaques can restrict blood flow and harden the arteries . But they usually don 't dislodge to form a life-threatening clot .
