Graphical illustration (IMAGE) Aarhus University Caption Graphical illustration of the gastroesophageal squamocolumnar junction development. It features the transition from the embryonic stage to adulthood, the esophagus, and the stomach, highlighting the single-cell map, cell-cell signaling, and their evolutionary dynamics. Images of stomach-derived columnar (red) and esophagus-derived stratified squamous organoids Credit Image: Chumduri Lab Usage Restrictions May only be used with appropriate credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.