The activities of nitric oxide synthase in the rat hippocampus and brain stem were histochemically examined with NADPH-diaphorase. 采用NADPHd酶组织化学方法，对大鼠海马、脑 干内NOS的活性进行观察。
The activity of AChE positive neurons in the spinal cord, brain stem and hippocampus of rats were histochemically observed. 采用乙酰胆碱酯酶(AChE)组织化学方法，观察了大白鼠脊髓、脑干和海马脑区AChE阳性神经元的活性。
Ten cases of gastrointestinal adenocarcinomas were histochemically investigated for their lectin receptors by avidin-biotin-peroxidase complex (ABC) method. 用ABC法对10例胃肠道腺癌和癌旁组织中12种凝集素受体进行了组织化学研究。
