To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1. Movie obtained using the Vevo2100 ultrasound system to visualize stomach motility at E15. High-resolution ultrasound and speckle tracking: a non-invasive approach to assess in vivo gastrointestinal motility during development Pierre Sicard, Amandine Falco, Sandrine Faure, Jérome Thireau, Stéphanie E. Lindsey, Norbert Chauvet, and Pascal de Santa Barbara Development 2022. 149:None-None; doi: 10.1242/dev.200625 Download Original Video