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ceratobranchial 5 tooth
pharyngeal tooth, teeth, tooth
Is a multi-tissue structure composed of dentine, enameloid and tooth pulp. The tips of the ceratobranchial5 teeth form before the ceratobranchial itself (3.0 mm NL). As they grow ventrally, they meet the perichondrally ossified surface of ceratobranchial5 and become firmly ankylosed to the bone. Ceratobranchial teeth are the only teeth present in zebrafish and other cypriniforms.