Abstract
IN 19601, I pointed out that some simple modifications in the intravital dithizone (diphenyl-thiocarbazone) method used by histochemists2,3 for the display of zinc show clearly that the site of the specific (pink) staining in the neighbourhood of the hippocampal ‘CA3’ and ‘CA2’ pyramidal cells is topologically identical with the zone occupied by the ‘mossy fibre system’ (the axons of the granule cells of thefascia dentata); while the conspicuous arc of pink staining within the facia dentata is coincident with the ‘CA4’ cell-and-fibre zone. I interpreted these concentrations of zinc as histochemical peculiarities of the histoanatomically peculiar ‘syncytial periaxoplasm’ which the mossy fibre system exhibits, for most of its course, in ammoniacal-silver preparations1.
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References
McLardy, T., Confin. Neurol., 20, 1 (1960).
Maske, H., Naturwiss., 42, 424 (1955).
Fleischhauer, K., and Horstmann, E., Z. Zellforsch., 46, 598 (1957).
Timm, F., Z. Zellforsch., 48, 548 (1958).
Hamlyn, L. H., Nature, 190, 645 (1961).
Paper read before The EEG Society on January 6, 1962.
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McLARDY, T. Zinc Enzymes and the Hippocampal Mossy Fibre System. Nature 194, 300–302 (1962). https://doi.org/10.1038/194300a0
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DOI: https://doi.org/10.1038/194300a0
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