The detailed pattern of tooth development was difficult to identify by alizarin red staining: the first mineralized tooth could be detected in embryos reaching 6 cm long while there were at least five on each quadrant in 7 cm long embryos.
A detailed study of tooth morphology in mutants bearing losses of functions of these two genes thus appears necessary to test the pattern variability induced by the developmental modifications.
Here, we present a detailed comparison of tooth and dermal denticle development in the dogfish that show that odontodes should accurately be considered as serial homologous structures.
"We are expecting to see a truly green five-year plan, which for the first time will contain really detailed measures and teeth in it," said Yang Ailun of Greenpeace.
That's the conclusion of the first detailed analysis of the tooth plates of a 400-million-year-old creature known as Romundina stellina, an armored fish that may have been among the first animals to sport teeth.
Other times a more detailed description of a tooth problem was needed to avoid confusion.
Additional functionalities like a detailed dental status per tooth and dental X-ray charts were developed to support the case development for dentistry.
This allowed a more detailed examination of the tooth surface because the nature and extent of any defects were easier to identify.
Head: relatively large, transverse, ovate, about 1.23 times as wide as long, nearly as wide as mesothorax (0.9 times), with eyes and ocelli indistinguishable; mandibles small, sickle-shaped, with at least one inner tooth; other detailed structures of mouthparts obscured.
Brown, who has a detailed paper on the teeth in the works, says that the chalky limestone in which the hobbit lay caused exposed dentine to appear white rather than the more common yellow.
Despite patchy similarities, our detailed work on cheek teeth in EdaTa and Edardl-J mice show that all dental morphotypes defined in Edardl-J mice resolutely differ from those of EdaTa mice.
