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Cell Tissue Res. 1977 Dec 13;185(2):263-77.

An ultrastructural classification of the neuronal cell bodies of the rat dorsal root ganglion using zinc iodide-osmium impregnation.


Zinc iodide-osmium (ZIO) impregnation of rat dorsal root ganglia differentially stained various elements in the neuronal cells, particularly their Golgi bodies. On the basis of this differential ZIO staining dorsal root ganglion neurones have been classified into seven types. The ultrastructure of these is described and the numbers of each type in the L4 dorsal root ganglion have been determined. Prolonged nerve stimulation did not change the relative numbers of the different cell types suggesting that none of the differences between cell types represents differences in their state of activity. The possibility is discussed that differences in morphology may reflect differences in neurotransmitter function.

[Indexed for MEDLINE]

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