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Fig. 2 | EvoDevo

Fig. 2

From: Spiralian gastrulation: germ layer formation, morphogenesis, and fate of the blastopore in the slipper snail Crepidula fornicata

Fig. 2

Narrowing of the blastopore during later epiboly, and formation of the mouth/stomodeum. a–e Confocal images of living embryos expressing UTPH-GFP to mark the actin cytoskeleton, and histone H2B-RFP to mark the nuclei. Ventral views are shown during mid epiboly (a), late epiboly (b), elongation (c), and mouth formation (d–e). f–i Time-lapse movies of embryos expressing UTPH-GFP during epiboly and mouth formation. VV ventral view. Scale bar equals 50 μm. See also Additional files 2, 3, 4, and 5, which correspond to panels f, g, h, and i

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