Extended Data Fig. 7: Collective hydrodynamic signalling.
From: Collective intercellular communication through ultra-fast hydrodynamic trigger waves

a, Example of a configuration of organisms A–O. The first cell to contract is A (blue), and the last are K, L, M and N (red). Organism O is not triggered (grey). The circle is used to compute the organism density around cell D (green). b, Connectivity graph of the same configuration as shown in a.