In mammals, most wounds heal by repair, not regeneration. It now seems that, as they heal, open skin wounds in adult mice form new hair follicles that follow similar developmental paths to those of embryos.
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Chuong, CM. New hair from healing wounds. Nature 447, 265–266 (2007). https://doi.org/10.1038/447265a
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DOI: https://doi.org/10.1038/447265a
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