解剖学杂志2000，Vol.23Issue(5)：447-451,5.
大鼠红核脊髓束与脊髓小脑束起始细胞突触联系的电镜研究
ELECTRON MICROSCOPIC STUDY ON SYNAPTICCONNECTIONS OF RUBROSPINAL TRACT TO ORIGINAL CELLS OF SPINOCEREBELLAR TRACT IN RATS
周炳刚 1张崇智 2速家震 2张进路 3徐群渊3
作者信息
- 1. 宁夏自治区人民医院外一科，银川750021
- 2. 宁夏医学院解剖教研室，银川 750004
- 3. 首都医科大学神经科学研究所
- 折叠
摘要
Abstract
Using HRP retrograde transport and anterograde generation of neurons, the synaptic connec-tions between terminates of rubrospinal tract (RST) and original cells of spinocerebellar tract(SCT) were observed by electron microscope. The results showed that RST degeneration termi-nations had connections with HRP labeled cellbodies and dendrities which came from original cells(spinal border cells; Clarke's collumn cells), but most of the degeneration buttons covered thesurface of unlabeled bodies and proximal dendrities, and most of buttons were connected withdendrites. Two types of the degeneration buttons(dark and light) of the RST which containedmixed vesicles could be seen under the EM. These buttons mainly belonged to dark types whichconttained spherical vesicles. The findings suggested that RST terminations might have synapticcontact with the original cells directly or indirectly. Morphologically, the present study indicatedthat the terminations of RST may play a role in modulation of information which was transmittedby original cells of SCT.关键词
脊髓/红核脊髓束/小脑/脊髓小脑束/突触/大鼠Key words
spine/rubrospinal tract/cerebellar spinaocerebellar tract/synapse分类
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周炳刚,张崇智,速家震,张进路,徐群渊..大鼠红核脊髓束与脊髓小脑束起始细胞突触联系的电镜研究[J].解剖学杂志,2000,23(5):447-451,5.
