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. Author manuscript; available in PMC: 2014 Mar 12.
Published in final edited form as: Stem Cell Rev. 2012 Jun;8(2):597–608. doi: 10.1007/s12015-012-9351-1

Fig.2.

Fig.2

A-C: Dynamic expression of Wnt activity reporter (blue) in developing mouse small intestine (from Kim and Shivdasani, 2007; with permission). A: Embryonic day 16.25; B: Postnatal day 3; C: Postnatal day 20. D, E: Intestinal metamorphosis in Xenopus. (from Ishizuya-Oka and Shi, 2007; with permission). D: Histological section, showing clusters of adult gut progenitors (arrows) attached to the basal surface of degenerating larval gut (arrowhead). E: Adult gut progenitors express Shh (brown; arow).