HRP was injected into: (1) areas 4,6 of unilateral cortex of 2 rats, and (2) unilateral ventral nuclei of 12 rats in order to study the connections of the thalamic VL and the distribution of the cells of origin.

• 将HRP注入:(1)2只大白鼠一侧皮质的4、6区和(2)12只大白鼠一侧丘脑VL核,利用神经纤维轴浆运输的原理,研究丘脑腹外侧核的纤维连系和标记神经元的分布。