目的 ：比较皮质脊髓神经元与皮质巨细胞网状核神经元的分布并探讨是否有分支投射。
Objective To compare the distributions of the corticospinal neurons and the corticorubral neurons and study whether the corticospinal neurons project collaterals to the red nucleus exist or not.
方法：将颗粒蓝（GB）及核黄（NY）分别注入大鼠的脊髓和延髓的巨细胞网状核，在大脑皮质观察标记细胞出现的部位。
Method: GB and NY were injected into the spinal cord and gigantocellular nucleus of rats separately. The distribution of labeled neurons in the cerebral cortex was observed.
应用HRP技术，将HRP注入豚鼠延髓网状巨细胞核，追踪其传入纤维的起源。
The present study was undertaken to identify some afferent connections of the nucleus reticularis gigantocellularis(GC) in guinea pigs by using HRP retrograde tracing method.
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