用辣根过氧化物酶（HRP）逆行传递法，在44只大白鼠脑，研究了楔外、内核和薄束核到小脑蚓部皮质的投射。
The projections from the external cuneate and the dorsal column nuclei to cerebellum in 44 rats were examined by means of HRP.
目的探讨经小脑延髓裂入路到达第四脑室的解剖研究，及在不切开下蚓部的情况下如何分离此裂隙以获得最佳的手术视野。
Objective To refine the transcerebellomedullary fissure approach to the fourth ventricle and dissect the fissure to obtain sufficient operative view without splitting the inferior vermis.
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