Tooth enamel originated in the skin


When did the enamel that covers our teeth evolve? And where in the body did it first appear? In the latest issue of the journal Nature, researchers from Uppsala University and the Institute of Vertebrate Palaeontology and Palaeoanthropology (IVPP) in Beijing, China, combine data from palaeontology and genomics to arrive at a clear but unexpected answer: enamel originated in the skin and colonized the teeth much later.

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