To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1. Movie presenting 3D views of one N2 stage control embryo after nuclei reconstruction. Functions of the FGF signalling pathway in cephalochordates provide insight into the evolution of the prechordal plate Lydvina Meister, Hector Escriva, and Stéphanie Bertrand Development 2022. 149:None-None; doi: 10.1242/dev.200252 Download Original Video