To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 5 Volume rendering of an E16.5 mouse foetus stained with 0.1% ruthenium red in 50% ethanol and imaged using a 60kVp/133μA X-ray spectrum, displayed using the soft tissue window (100-400HU). Development ; doi: 10.1242/dev.187633 Download Original Video