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Related Experiment Videos

Crista neglecta in man.

Y Okano, I Sando, E N Myers

    The Annals of Otology, Rhinology, and Laryngology
    |May 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    The crista neglecta, a human inner ear structure, was found in 17 of 223 temporal bones. Its anatomical location and nerve connections to the singular nerve were detailed.

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    Area of Science:

    • Anatomy
    • Histology
    • Neuroscience

    Background:

    • The crista neglecta is an anatomical structure within the human inner ear.
    • Its prevalence and detailed morphology are not fully understood.

    Purpose of the Study:

    • To investigate the prevalence, location, and size of the crista neglecta in human temporal bones.
    • To describe the relationship between the crista neglecta and the singular nerve.

    Main Methods:

    • Histological examination of 223 human temporal bones (137 cases).
    • Analysis of anatomical location, dimensions, and associated nerve fibers.

    Main Results:

    • The crista neglecta was identified in 17 cases (ages 15-week fetus to 76 years).

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  • It is located in the anterolateral quadrant of the posterior canal ampulla, near the singular nerve.
  • The structure contains nerve fibers, epithelium, sensory hair cells, and a cupula.
  • Nerve fibers connected to the singular nerve in 17 cases (5 to a small branch, 12 to the main trunk).

    • Conclusions:

    • The crista neglecta is present in a subset of the human population.
    • Its anatomical position and innervation by the singular nerve are significant findings for inner ear research.