Enameloid, also known as durodentine or vitrodentine, is an enamel-like tissue found in many fish. It is the primary outer component of shark odontodes (teeth and dermal denticles). Although the origin of enameloid is debated, it is probably homologous to dentine rather than true enamel, despite its enamel-like strength and development. The term covers any hyper-mineralized tissue with an organic "scaffold" consisting of ectodermal and ectomesenchymal proteins.[1][2][3]

References

  1. Sire, Jean-Yves; Donoghue, Philip C. J.; Vickaryous, Matthews K. (2009). "Origin and evolution of the integumentary skeleton in non-tetrapod vertebrates". Journal of Anatomy. 214 (4): 409–440. doi:10.1111/j.1469-7580.2009.01046.x. ISSN 1469-7580. PMC 2736117. PMID 19422423.
  2. Gillis, J.; Donoghue, P. (2007). "The homology and phylogeny of chondrichthyan tooth enameloid". Journal of Morphology. 268 (1): 33–49. doi:10.1002/jmor.10501. PMID 17146771.
  3. "Palaeos Vertebrates: Bones: Teeth: Overview-2". 2010-09-10. Archived from the original on 2010-09-10. Retrieved 2020-05-07.


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