Across the world of mammals, teeth come in all sorts of shapes and sizes. Their particular size and shape are the process of millions of years of evolutionary fine-tuning to produce teeth that can ...

Members of the fibroblast growth factor (FGF) and bone morphogenetic protein (BMP) families of protein signal from the oral epithelium to the underlying mesenchyme, patterning the presumptive incisor ...

A simple, straightforward developmental rule -- the 'patterning cascade' -- is powerful enough to explain the massive variability in molar crown configuration over the past 15 million years of ape and ...