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Exogenous silver in dorsal root ganglia, peripheral nerve, enteric ganglia, and adrenal medulla

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Summary

Following intraperitoneal (i.p.) or oral administration of silver salts, the anatomic distribution of silver in the peripheral nervous system (PNS) has been studied. The structures examined were dorsal root ganglia, peripheral nerve (N. ischiadicus), enteric ganglia, and adrenal medulla.

Four days after an i.p. injection of silver lactate, silver deposits were found in these structures. The silver content remained stable during the observation period (45 days).

The localization of silver deposits in the orally treated animals was independent of the administered silver salt (silver nitrate or silver lactate).

The silver deposits in neurons and chromaffin cells were located in the cytoplasm. In all organs silver was present in large amounts in connective tissue membranes, macrophage-like cells, vascular basal laminae, and supporting cells. Satellite cells of the dorsal root ganglia were always heavily stained, white less stain was present in Schwann cells of the peripheral nerves.

Intracellular deposits were invariably located in lysosomes, whereas extracellular grains were found in connective tissue fibers and basement membranes.

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  1. Institute of Anatomy B, University of Aarhus, DK-8000, Aarhus C, Denmark

    J. Rungby

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Rungby, J. Exogenous silver in dorsal root ganglia, peripheral nerve, enteric ganglia, and adrenal medulla. Acta Neuropathol 69, 45–53 (1986). https://doi.org/10.1007/BF00687038

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  • DOI: https://doi.org/10.1007/BF00687038

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