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Enamel contains calcium phosphate in a crystalline form; it is the hardest biologically manufactured substance, and is produced by ameloblasts prior to tooth eruption. The aim of the present study was to evaluate the morphology of the enamel prisms and their relationship to Hunter-Schreger bands in
We aimed to verify how granule cells of two post-natal ages (6 and 10 days) modify quantitatively and whether their parameters get close to those of a younger age (2 months) of an adult age spectrum already studied. In semithin sections, we estimated the mean volume (V N ) of the nucleus using the r
The forelimbs in maniraptoran theropods are strongly modified to suit the different hunting style in those dinosaurs. Aim of this work is to propose a model of the forelimb function in specialized theropods such as Deinonychus or Velociraptor. The presence of several characters, such as the furcula,