Scientists working to bioengineer the entire human gastrointestinal system in a laboratory now report using pluripotent stem cells to grow human esophageal organoids. This is the first time scientists have been able to grow human esophageal tissue entirely from pluripotent stem cells (PSCs), which can form any tissue type in the body.
https://www.sciencedaily.com/releases/2018/09/180920161030.htm
Scientists grow human esophagus in lab