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Figure Caption
Fig. S2 Genes encoding Bmp ligands and antagonists are expressed in the mesenchymal cells adjacent to the foregut endoderm between 50 and 72 hpf. (A?L) Confocal images of Tg(gutGFP) expression (green) with mRNA expression (red) of bmp2b (A?C), bmp4 (D?F), gremlin (G?I), noggin1 (J and K), and bmp6 (L) at 50 (A, D, G, and J), 60 (B, E, H, K, and L), and 72 (C, F, and I) hpf.
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