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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Dev Biol. 2012 Jun 27;369(1):54–64. doi: 10.1016/j.ydbio.2012.06.016

Figure 4.

Figure 4

Wnt signaling activity as shown by the BAT-Gal reporter in the E13.5 esophagus and stomach. The stratified epithelium in the esophagus and forestomach is strongly positive for X-gal staining. Sporadic X-gal positive cells are also present in the mesenchyme of both the esophagus and forestomach. Note that part of the mesenchyme in the hindstomach is also positive for X-gal staining. Scale bar: 50μm. ep, epithelium; me, mesenchyme; fst, forestomach; eso, esophagus; hst, hindstomach; duo, duodenum.