FIG. 4. Summary of ventral cell movements during involution. Initial positions of labeled cells at stage 10.5 (A–C), and final positions at stage 12.5 (A9–C9) are indicated. Each outline represents a single patch of cells, from an individual experiment. Yellow, lower lip; red, upper lip (A, A9). Orange, between lower and upper lip; violet, between upper lip and BCR (B, B9). Blue, BCR mesoderm; gray, ventral ectoderm (C, C9). Arrowheads indicate the blastopore. e, endoderm; m, mesoderm.
Image published in: Ibrahim H and Winklbauer R (2001)
Copyright © 2001. Image reproduced with permission of the Publisher, Elsevier B. V.
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