采用一氧化氮合酶（NOS）组织化学定位方法研究了三角涡虫的NOS的分布。
The localization of nitric-oxide synthase (NOS) in Dugesia japonica has been studied with NADPH-d histochemistry method.
方法：采用免疫组织化学ldp法研究47例PG C组织中vegf及其受体(KDR)的定位与表达。
Methods: The localization and distribution of VEGF and its receptor KDR in 47 cases of PGC were detected by immunohistochemistry LDP method.
利用乙酰胆碱脂酶分布定位的组织化学方法，描述了丽杰氏涡虫和中国小达氏涡虫的神经系统。
The nerve systems of Gieysztoria pulchra and Microdalyellia sinensis were described by the distribution of acetylcholinesterase (AChE) with histochemical methods.
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