morphogenetic

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    Vitamin A Forms Gradients In Embryo And Conveys Information Across Long Distances

    http://www.nature.com/nature/journal/v496/n7445/full/nature12037.html Complex Regulation of cyp26a1 Creates a Robust Retinoic Acid Gradient in the Zebrafish Embryo Retinoic acid is a signaling molecule that plays an important role in the development of the brain in animal embryos. It forms a...
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