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Figure 2


Fig. 2. Foregut gene expression is shifted posteriorly in cdx4-/- zebrafish embryos. (A,B) glucagon (gcga) expressed by {alpha}-cells in endocrine pancreas. (C,D) somatostatin 1 (sst1) expressed by {delta}-cells in endocrine pancreas. (E,F) trypsin (tryp) expressed by acinar cells in exocrine pancreas. (G-J) pdx1 expressed by pancreatic precursors and small-intestine precursors. (K,L) cebpa expressed in liver. Numbers indicate somites. Dorsal views. Magnification: 100x, except G-J at 200x.