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The origin and initial development of the pecten oculi

D T Yew

    Anatomischer Anzeiger
    |January 1, 1978
    PubMed

    Insights

    The pecten oculi in chick embryos begins developing on day 9 of incubation. Pigment cells originate from the retinal pigment epithelium, with vascular and connective tissues continuous with the choroid.

    Area of Science:

    • Ophthalmology
    • Developmental Biology
    • Avian Anatomy

    Background:

    • The pecten oculi is a unique avian ocular structure.
    • Its developmental origins and cellular contributions are not fully elucidated.

    Purpose of the Study:

    • To investigate the embryonic development of the pecten oculi in Gallus gallus.
    • To identify the cellular origins of the pecten oculi's components.

    Main Methods:

    • Histological examination of chick embryos during incubation.
    • Tracing the origin of pigment cells and connective tissues.

    Main Results:

    • Pecten oculi development initiates around the 9th day of incubation.
    • Pigment cells are derived from the retinal pigment epithelium.
    • Connective tissue and blood vessels integrate with the choroid.

    Conclusions:

    • The study clarifies the developmental timeline and cellular origins of the pecten oculi.
    • Confirms the shared vascular and connective tissue origins with the choroid.

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