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Fig. 7 Expression of fgfrl1b during zebrafish development. (A) Dorsolateral view of 2 somite stage embryo. (B) Higher magnification of boxed region in A. (C) Dorsal view of posterior domain in 10 somite stage embryo. (D) Lateral view of developing tail in 18 somite stage embryo. (E) Lateral view of 26 hpf embryo. (F) Dorsolateral view of midbrain–hindbrain region of 26 hpf embryo. Pharyngeal pouches labelled as 1, 2 and 3. (G) Lateral view of trunk of 26 hpf embryo. (H) Lateral view of 36 hpf embryo. (I) Sagittal section through eye of 36 hpf embryo. (J) Lateral view of pharyngeal region of 36 hpf embryo. (K) Sagittal section through pharyngeal region of 36 hpf embryo. (L) Lateral view of 48 hpf embryo. (M) Dorsal view of eye of 48 hpf embryo. (N) Dorsal view of cranio-trunk region of 48 hpf embryo. (O) Lateral view of 56 hpf larva. (P) Frontal section through developing jaw of 56 hpf larva. Abbreviations: En, endoderm; GIT, gastrointestinal tract; H, hypochord; Le, lens; LPM, lateral plate mesoderm; Me, mesendoderm; p1–5, pharyngeal pouches 1–5; PE, pharyngeal endoderm; PFB, pectoral fin bud; PP, pharyngeal pouches; VTM, ventral tail mesenchyme. Scale bars: 250 μm in A, D, H and K; 100 μm in B, C, E–G, I, J, L and M.
Reprinted from Mechanisms of Development, 123(12), Hall, C., Flores, M.V., Murison, G., Crosier, K., and Crosier, P., An essential role for zebrafish Fgfrl1 during gill cartilage development, 925-940, Copyright (2006) with permission from Elsevier. Full text @ Mech. Dev.