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Figure 2 | EvoDevo

Figure 2

From: A cleavage clock regulates features of lineage-specific differentiation in the development of a basal branching metazoan, the ctenophore Mnemiopsis leidyi

Figure 2

Embryonic development of Mnemiopsis leidyi. DIC images of developing Mnemiopsis embryos at various stages, beginning with a zygote in (A) until 9 hpf in (P). (A) Zygote. (B) 2-cell stage. (C) 4-cell stage. (D) 8-cell stage. (E) 16-cell stage. (F, G, H) 32- to 60-cell stages. (I, J, K, L) Gastrulation. (M, N, O, P) Post-gastrulation. The aboral side is up. hpf, hours post fertilization. Additional file1 shows the embryonic development of the same specimen in a time-lapse movie.

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