To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 1. Brightfield time-lapse movie of the formation of an equine mammary organoid (MaO) from an equine mammary tissue fragment (MTF). Establishment and characterization of equine mammary organoids using a method translatable to other non-traditional model species Arianna P. Bartlett, Rebecca M. Harman, Jennifer R. Weiss, and Gerlinde R. Van de Walle Development 2022. 149:None-None; doi: 10.1242/dev.200412 Download Original Video