Cell types in animals evolved by step-wise diversification into sister cell types, which is analogous to the evolution of species or genes. We can identify homologous cell types between species by ...

Picture a living cell as if it were a city. If you were the urban planner for this (very little, very alive) city, one of the ...

For example, in the model presented by Greenspan in 1976 (Ref. 23) pressure gradients, generated by differences in cell proliferation and death, cause cells to move from regions of high cell ...