To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2. (related to Fig. 1). Visualization of SCP connections and filopodia during their migration Live confocal spinning disk acquisition reconstructed in a 3D view with Imaris software of a Tg(cspg4:Gal4; UAS:Lifeact-GFP) embryo at 27 hpf. A dual involvement of Protocadherin 18a in stromal cell development guides the formation of a functional hematopoietic niche Anne-Lou Touret, Catherine Vivier, Anne Schmidt, Philippe Herbomel, and Emi Murayama Development 2022. 149:None-None; doi: 10.1242/dev.200278 Download Original Video