To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S2 Ezh2mesoderm-KO lungs.Whole-mount IHC for E-cadherin (red) and SM22α (green) at E18.5. Imaging by OPT reveals ectopic smooth muscle morphology at the surface of the lungs. Ezh2 restricts the smooth muscle lineage during mouse lung mesothelial development Melinda Snitow, MinMin Lu, Lan Cheng, Su Zhou, and Edward E. Morrisey Development 2016. 143:3733-3741; doi: 10.1242/dev.134932 Download Original Video