British Universities Film & Video Council

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  1. Experiments on the Chick Embryo: Influences on Limb Outgrowth and Symmetry (1972 Film)

    Subject
    Biology
    Distribution
    Film (16mm)

    Depicts removal of the apical ectodermal ridge at differing stages affecting the extent of limb outgrowth. Reversal of the wing-bud apex produces an extra hand. An extra wing tip forms when the zone of...

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  2. Experiments on the Chick Embryo: Mesodermal Determination of the Limb Type (1972 Film)

    Subject
    Biology
    Distribution
    Film (16mm)

    The mesodermal origin of limb type is shown experimentally by fitting the leg bud ectoderm onto the wing bud mesoderm and grafting the combination onto an embryo.

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