NItric oxide synthase (NOS) was assessed by NADPH histochemistry stain and NO content in plasma was measured by NO assay kit.

• 方法 :利用NADPH 黄递酶组织化学染色方法观察NOS在大鼠肠系膜淋巴管的表达 ,用硝酸还原酶法测定血清中NO的含量。