Skip to main content

Advertisement

Fig. 3 | BMC Evolutionary Biology

Fig. 3

From: Ontogeny reveals function and evolution of the hadrosaurid dinosaur dental battery

Fig. 3

Comparisons of tooth development in hadrosaurids and modern Alligator. a tooth development sequence in a hadrosaurid (ROM 00696) as seen in histological thin sections. b magnified image of the plugged pulp cavity of an erupting hadrosaurid tooth. c close-up image of the plugged pulp cavity of an unerupted hadrosaurid tooth. d magnified image of the root tissues of an unerupted hadrosaurid tooth. e magnified image of the root tissues of a newly formed hadrosaurid tooth. f tooth development sequence in a modern hatchling Alligator (ROM R6252). g magnified image of the root tissues of an erupted Alligator tooth. h magnified image of an unerupted Alligator tooth. i magnified image of a newly formed Alligator tooth. ac, acellular cementum; cc, cellular cementum; de, dentine; en, enamel; pc, pulp cavity; ppc, plugged pulp cavity; vc, vascular canal

Back to article page