To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 4 WT1(+) E13.5 embryo imaged in situ via micro-CT with Amira segmentation of key volumes. This rendering is also shown in Figure S5A. Note the dorsal volume of the chest cavity in which the lung is growing. Development ; doi: 10.1242/dev.199460 Download Original Video