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用小麦胚凝集素-辣根过氧化物酶的顺行和逆行轴突运输研究猫小脑顶核向丘脑上膝核的直接投射。

Direct projections from the cerebellar fastigial nucleus to the thalamic suprageniculate nucleus in the cat studied with the anterograde and retrograde axonal transport of wheat germ agglutinin-horseradish peroxidase.

作者信息

Katoh Y Y, Deura S

机构信息

Department of Anatomy, Fujita Health University School of Medicine, Aichi, Japan.

出版信息

Brain Res. 1993 Jul 16;617(1):155-8. doi: 10.1016/0006-8993(93)90628-z.

DOI:10.1016/0006-8993(93)90628-z
PMID:7690666
Abstract

Axonal transport of WGA-HRP injected into (1) the suprageniculate nucleus or (2) the fastigial nucleus, was investigated. Retrogradely labeled neurons were found in the caudal part of the bilateral fastigial nucleus following injection 1, and anterograde labeled axon terminals were observed in the bilateral suprageniculate nucleus following injection 2. Electron microscopic observations of these terminals revealed that they were large terminals making asymmetric synaptic contacts with dendrites. These results suggest that some neurons in the fastigial nucleus send their axons to the suprageniculate nucleus.

摘要

研究了注入（1）上膝核或（2）顶核的WGA-HRP的轴突运输。注射1后，在双侧顶核的尾部发现了逆行标记的神经元，注射2后，在双侧上膝核中观察到顺行标记的轴突终末。对这些终末的电子显微镜观察显示，它们是与树突形成不对称突触联系的大型终末。这些结果表明，顶核中的一些神经元将其轴突发送至上膝核。

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