“…Different mechanisms are depicted in a way that highlights certain common features, such as the functional distinction between leader and follower cells, while differences in cellular arrangements and signaling molecules are also indicated. This form of presentation suggests that whereas the researchers are interested in common features among those mechanisms, differences between them are also noteworthy and non-negligible (see Yoshida, 2021). One might expect that the diversity of mechanisms can be understood simply in terms of molecular details differing across mechanisms, and that all mechanisms of collective cell migration still share the same set of abstract principles.…”