The development of archosaurian first-generation teeth in a chicken mutant.

doi:10.1016/j.cub.2005.12.047

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Article

The development of archosaurian first-generation teeth in a chicken mutant.

Current biology : CB - 21 Feb 2006

Harris Matthew P, Hasso Sean M, Ferguson Mark W J, Fallon John F

Abstract excerpt

Modern birds do not have teeth. Rather, they develop a specialized keratinized structure, called the rhamphotheca, that covers the mandible, maxillae, and premaxillae. Although recombination studies have shown that the avian epidermis can respond to tooth-inductive cues from mouse or lizard oral mesenchyme and participate in tooth formation, attempts to initiate tooth development de novo in birds have failed....

Topics

Alligators and Crocodiles
Animals
Biological Evolution
Chick Embryo
Epidermis
Histology, Comparative
Jaw
Mouth
Mutation
Odontogenesis
Tooth
beta Catenin

Source

Open in PubMed

Identifiers

PMID: 16488870
DOI: 10.1016/j.cub.2005.12.047

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