To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 7. Movie obtained using the Vevo3100 ultrasound system to visualize stomach motility of E13 BAPX1-overexpressing stomach. 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