There was no way to test this idea, though, without samples of ancient stomach tissue. (sciencemag.org)
«We couldn't engineer human stomach tissue in a petri dish until we first identified how the stomach normally forms in the embryo,» explains Wells. (sciencedaily.com)
Scientists report in Nature using pluripotent stem cells to generate human stomach tissues in a petri dish that produce acid and digestive enzymes. (sciencedaily.com)