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Fig. 4. Spatial expression of xFoxI1c. The spatial pattern of xFoxI1c expression was determined by whole mount in situ hybridisation and compared to the early expression patterns of FoxI1a/b and Sox3. (A) Stage 14; (B) stage 17; (C) horizontal section of B, the insert shows part of the epidermal layer stained with DAPI to show the nuclei; (D) stage 22; (E) stage 28; (F) horizontal section of E; (G) stage 32, (H) stage 41; (I) horizontal section of H. Embryos in A and B are shown in anterior view, D–H are lateral view, plane of sections are marked by red lines. J, K and L show stage 11 embryos hybridised with probes as indicated; all are orientated with dorsal side to the right and the animal half to the top. np, neural plate; 1.ba, first branchial arch; cg, cement gland; ey, eye; gi, gills; np, neural plate. |
