To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 8 Movie of H2B-EGFP-FP4-mito-electroporated cell nuclei in a PGK:H2B-mCherry transgenic quail somite during SII to VI transition. Sm: somite, End: endoderm, Nt: neural tube. See also Fig. 6D. Basal filopodia and vascular mechanical stress organize fibronectin into pillars bridging the mesoderm-endoderm gap Yuki Sato, Kei Nagatoshi, Ayumi Hamano, Yuko Imamura, David Huss, Seiichi Uchida, and Rusty Lansford Development 2017. 144:281-291; doi: 10.1242/dev.141259 Download Original Video