Optic nerves in plethodontid salamanders (amphibia, urodela): neuroglia, fiber spectrum and myelination

@article{Linke1990OpticNI,
  title={Optic nerves in plethodontid salamanders (amphibia, urodela): neuroglia, fiber spectrum and myelination},
  author={R{\"u}diger Linke and Gerhard Roth},
  journal={Anatomy and Embryology},
  year={1990},
  volume={181},
  pages={37-48}
}
In five species of lungless salamanders, family Plethodontidae, which all show highly developed visual abilities, the ultrastructure of the optic nerve was investigated and the total number of retinal ganglion cell axons, the percentage of myelinated axons, and the volume densities of glia and axons were determined. More than 80% of all axons were smaller than 0.4 μm and only 2–3% were larger than 0.8 μm. In individual nerves the degree of myelination varied between 1 and 9% which is in the… CONTINUE READING
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