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. Author manuscript; available in PMC: 2023 Jul 13.
Published in final edited form as: Dev Biol. 2022 Sep 5;491:56–65. doi: 10.1016/j.ydbio.2022.08.005

Fig. 1. Pigment cells ingress and move to the dorsal ectoderm.

Fig. 1.

A-C. Pigment cell progenitors imaged by in situ hybridization of sult (Calestani et al., 2003) at the mesenchyme blastula stage (A), early gastrula (B), and late gastrula stage (C). Pigment cell progenitors enter the blastocoel at the beginning of the gastrula stage and move to the posterior blastocoel where many of them enter the ectoderm. They then migrate both within the ectoderm and along the lining of the dorsal blastocoel to distribute the population throughout the dorsal ectoderm and its basement membrane. D-I. Images from a time-lapse movie at early gastrula showing a pigment progenitor cell (asterisk) migrating posteriorly, and entering the ectoderm. Bar A-C = 25 μm, D-I = 25 μm.