Methods Cheek pouch of the golden hamster was pulled out and a piece of glass was set into it.Protamine was then injected into neck vein to neutralize the antithrombotic function of endothelial cells.

• 方法将仓鼠颊囊外翻后内套入玻璃片，从仓鼠颈静脉注入鱼精蛋白中和内皮细胞抗血栓功能，再注入凝血酶，显微镜下可见明显的血栓形成。