Electron microscopic analysis of glial cells in the rat telencephalon stained with the Neo-Timm and selenium methods.

Histochemistry
I E Holm

Abstract

Two histochemical methods for visualization of zinc in synaptic vesicles, the Neo-Timm and selenium methods, have been shown to additionally stain glial cells and neuronal somata. In a previous light microscopic study the majority of stained glial cells were seen in the major fiber tracts of the rat telencephalon. The aim of the present study was to further characterize the stained glial cells with respect to glial cell type and ultrastructural localization of the silver grains responsible for the staining. Electron microscopic analysis of brains treated according to either method revealed that the vast majority of stained glial cells belonged to the dark oligodendroglial cell type. However, a smaller number of stained astrocytes was also seen, especially in the grey matter. The silver grains responsible for the staining were located in electron-dense rounded cytoplasmic organelles, suggestive of lysosomes.

References

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Citations

Oct 1, 1989·Acta Orthopaedica Scandinavica·E S HansenC Bünger
Feb 10, 2012·Journal of Neuropathology and Experimental Neurology·Joo-Yong LeeJae-Young Koh
Jul 21, 2006·Glia·Emilio VareaXavier Ponsoda
Jun 15, 1991·The Journal of Comparative Neurology·I E Holm, F A Geneser

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