Methords Immunocytochemistry and histochemistry methods were used to study the changes of FOS and NADPH-d positive neurons in the dorsal raphe nucleus of morphine withdrawal rats.

• 方法运用免疫组织化学、组织化学方法观测吗啡戒断大鼠动物模型中缝背核FOS、NADPH-d酶表达的变化。结果吗啡戒断组FOS、NADPH-d阳性神经元、纤维和终末表达明显增加(P<0。