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Studies on the pararenal ganglion of the toadBufo arenarum Hensel

I. Its normal fine structure and histochemical characteristics

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Summary

The present report is a description of an abdominal sympathetic ganglion in close proximity to the kidneys (pararenal ganglion), which occurs in the toad. It is apparently associated with the splanchnic nerves and consists of: 1. typical ganglion cells; 2. myelinated and unmyelinated nerve fibers, some of which form axosomatic synapses (cholinergic junctions) and spine synapses (adrenergic junctions) with the ganglion cells; 3. clusters of noradrenergic chromaffin cells. Cells and fibers are distributed within wide interstices containing fibrocytes, collagen fibers, blood vessels, and mast cells.

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Authors and Affiliations

  1. Instituto de Histología y Embriología, Universidad Nacional de Cuyo, Mendoza, Argentina

    R. S. Piezzi & E. L. Rodriguez Echandia

Authors
  1. R. S. Piezzi
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  2. E. L. Rodriguez Echandia
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Supported by a school grant RF 62051 from the Rockefeller Foundation and “Consejo Nacional de Investigaciones Científicas y Técnicas”, República Argentina.

Fellow of the “Consejo Nacional de Investigaciones Científicas y Técnicas, República Argentina”.

Member of the Scientific Research Career of the “Consejo Nacional de Investigaciones Científicas y Técnicas, Argentina”.

The authors wish to thank Dr.M. H. Burgos and Dr.F. Sacerdote for reading the manuscript.

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Piezzi, R.S., Rodriguez Echandia, E.L. Studies on the pararenal ganglion of the toadBufo arenarum Hensel. Z.Zellforsch 88, 180–186 (1968). https://doi.org/10.1007/BF00703906

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  • DOI: https://doi.org/10.1007/BF00703906

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