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Related Experiment Videos

Acquired medullated nerve fibres

G S Baarsma

    The British Journal of Ophthalmology
    |September 1, 1980
    PubMed
    Summary

    Nerve fibers typically stop myelinating at the lamina cribrosa. This case study documents the rare occurrence of myelinated nerve fibers developing in the retina during adulthood.

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    Area of Science:

    • Ophthalmology
    • Neuroscience
    • Cell Biology

    Background:

    • Myelination is a crucial process for nerve fiber function.
    • Normally, myelination of optic nerve fibers ceases at the lamina cribrosa.
    • Postnatal myelination beyond this point is considered atypical.

    Observation:

    • A unique case of myelinated nerve fibers was observed.
    • These fibers extended beyond the lamina cribrosa into the retina.
    • The development occurred during adulthood, challenging existing timelines.

    Findings:

    • The study identified adult-onset myelination in the retinal nerve fibers.
    • This finding contradicts the established understanding of myelination cessation.
    • It suggests plasticity in myelination processes even in adult neural tissues.

    Implications:

    • This case may offer insights into the mechanisms of myelination.
    • It could have implications for understanding and treating optic nerve disorders.
    • Further research may explore the potential for therapeutic interventions targeting myelination.

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