Highlighted article: "Ectoderm, endoderm, and the evolution of heterodont dentitions" by Ohazama, Haworth, Ota, Khonsari, and Sharpe.
D000818:Animals; D005075:Biological Evolution; D004475:Ectoderm / Q000166:cytology / Q000502:physiology*; D004707:Endoderm / Q000166:cytology / Q000502:physiology*; D006801:Humans; D014070:Tooth / Q000196:embryology*