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Related Experiment Videos

Dense core vesicles during photoreceptor development.

J A Armengol, F Prada, A Quesada

    Experientia
    |October 15, 1984
    PubMed
    Summary

    Dense core vesicles were identified in developing chick embryo photoreceptor terminals. This study details their presence between the 16th and 18th day of incubation, offering insights into retinal development.

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    Area of Science:

    • Developmental biology
    • Neuroscience
    • Ophthalmology

    Background:

    • Photoreceptors are crucial for vision.
    • Retinal development involves complex cellular processes.
    • Dense core vesicles play roles in cellular signaling.

    Purpose of the Study:

    • To investigate the presence and morphology of dense core vesicles in developing chick embryo photoreceptors.
    • To characterize the temporal appearance of these vesicles during a specific incubation period.

    Main Methods:

    • Transmission electron microscopy was used to examine retinal tissue.
    • Photoreceptor terminal structures were analyzed during embryonic development.

    Main Results:

    • Dense core vesicles were observed in the terminal expansions of photoreceptors.
    • Their presence was noted between the 16th and 18th days of chick embryo incubation.

    Conclusions:

    • Dense core vesicles are present in developing chick photoreceptor terminals.
    • This finding contributes to understanding the cellular mechanisms of retinal development.

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