title: A histological, chemical and x-ray diffraction study on contemporary (Carcharias glaucus) and fossilized (Macrota odontaspis) shark teeth.
mesh_terms: D000818:Animals; D001031:Apatites / Q000032:analysis; D002118:Calcium / Q000032:analysis; D003804:Dentin / Q000032:analysis / Q000033:anatomy & histology; D005459:Fluorides / Q000032:analysis; D005580:Fossils; D049690:History, Ancient; D010161:Paleodontology; D010758:Phosphorus / Q000032:analysis; D012754:Sharks / Q000033:anatomy & histology / Q000378:metabolism; D014961:X-Ray Diffraction
chemical_list: D001031:Apatites; D010758:Phosphorus; D005459:Fluorides; D002118:Calcium