Abstract In the adult vertebrate intestine. multi-potent stem cells continuously generate all of the epithelial cells throughout the adulthood. While it has long been known that the frog intestine is formed via the development of adult intestinal stem cells during thyroid hormone (TH)-dependent metamorphosis. the basic structure of the adult intestine is formed by birth in mammals and... https://www.graphikjunkie.com/product-category/lunch-napkins-2-ply-dinner/