Enamel
= Enamel
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>.<New genomic and fossil data illuminate the origin of enamel by Qingming Qu and others>[Dermal distribution and inferred expansion into the mouth]{ref}