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Parts of a human embryo
Parts of a human embryo
Process of zygote to gastrula in development
Process of zygote to gastrula in development
Germ layers and what tissues they become in humans
Germ layers and what tissues they become in humans
Ernst Haeckel, Anthropogenie.
Ernst Haeckel, Anthropogenie.
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George Romanes's 1892 copy of Ernst Haeckel's controversial embryo drawings
George Romanes's 1892 copy of Ernst Haeckel's controversial embryo drawings
Drawing by Wilhelm His of chick brain compared to folded rubber tube, 1874. Ag (Anlage) = Optic lobes, matching bulges in rubber tube.
Drawing by Wilhelm His of chick brain compared to folded rubber tube, 1874. Ag (Anlage) = Optic lobes, matching bulges in rubber tube.