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Fig. 2. Foregut gene expression is shifted posteriorly in
cdx4-/- zebrafish embryos. (A,B)
glucagon (gcga) expressed by
-cells in endocrine
pancreas. (C,D) somatostatin 1 (sst1)
expressed by
-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.