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Figure 5 | BMC Developmental Biology

Figure 5

From: Embryonic and larval development in the Midas cichlid fish species flock (Amphilophus spp.): a new evo-devo model for the investigation of adaptive novelties and species differences

Figure 5

Embryos during gastrulation and segmentation stages. (A) 50% epiboly (24 h); (B) 70% epiboly (26 h); (C) 80% epiboly (28 h); (D) 90% epiboly (30 h); (E, I) 8 somites (34 h); (F, J) 16 somites (38 h); (G, K) 24 somites (44 h); (H, L) Pre-hatching stage (50 h). The position of the germ ring (gr in A-D) is indicated by the dashed lines. Abbreviations: br, brain; ea, embryonic axis; fb, forebrain; gr, germ ring; he, heart; hb, hindbrain; l, lens; ym, yolk melanophores; mb, midbrain; opr, optic primordium; ov, otic vesicle; s, somites; tb, tailbud; yp, yolk plug; Scale bar = 500 μm.

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