Methods An immnohistochemical staining technique was utilized in the liver using a monocioal anti-body laminin to observe the lymphatic capillqries and blood capillaries.

• 方法利用层黏蛋白单克隆抗体标记毛细血管和毛细淋巴管的基底膜,对肝脏组织进行免疫组化染色。