To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 9 Outflow of fluid from the trachea openingSpinning disk confocal imaging of fluorescent beads (488nm excitation channel, shown in green) overlayed with a brightfield image of the trachea of an E11.5 lung after 1h in low-volume culture. (AVI 2.5MB) Development ; doi: 10.1242/dev.194209 Download Original Video