retrograde tracing

• 逆行追踪

retrograde tracing的用法和样例：

例句

1. By retrograde tracing with CT-HRP,the localization of the sympathetic efferent neurons innervating pancreas of chicken was studied.
   用霍乱毒素结合辣根过氧化物酶逆行追踪法对鸡胰腺的交感传出神经元的定位进行了研究。