Methods The nicotinamide adenosine dinucleotide phosphate diaphorase (NADPH-d) methods was used to observe the expressions of NOS positive neurons in venoms group,saline group and control group.

• 方法将眼镜蛇毒注入大鼠右侧大腿后部,采用还原型尼克酰胺嘌呤二核苷酸脱氢酶(NADPH-d)法显示NOS的表达。