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Local degenerative changes in the drum muscles of piranhas (Serrasalminae, Characidae)

Cell and Tissue Research volume 188, pages 75–82 (1978)Cite this article

Summary

In the posterior drum muscle of the piranha structural alterations are frequently observed. Electron microscopic studies revealed a disordering of the myofibrils in these regions, accompanied by conspicuous changes in the mitochondria. As the degree of disorder increases, the mitochondrial cristae initially swell to form vesicles. Eventually the mitochondria become filled with myelin-like lamellar structures, which in many cases coalesce to form a dense outer wall. A striking concentration of lysosomes into localized masses was also characteristic of these regions.

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Affiliations

  1. Zoological Institute, University of Bonn, Bonn, Federal Republic of Germany

    H. Eichelberg

Authors
  1. H. Eichelberg
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Eichelberg, H. Local degenerative changes in the drum muscles of piranhas (Serrasalminae, Characidae). Cell Tissue Res. 188, 75–82 (1978). https://doi.org/10.1007/BF00220515

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  • DOI: https://doi.org/10.1007/BF00220515

Key words

  • Drum muscles
  • Piranha
  • Degenerative changes
  • Fine structure
  • Electron microscopy