A highly mineralized epithelial product formed by ameloblasts, distinct from dentine. fossil tissue distributions and enamel-matrix gene expression support an ancestry in dermal coverings deeper than its familiar deployment on teeth.[ref]
New genomic and fossil data illuminate the origin of enamel by Qingming Qu and others. Dermal distribution and inferred expansion into the mouth
An organized structural unit of mammalian crown enamel. Its architecture is a derived tissue organization, distinct from the deeper origin of the enamel tissue itself.
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