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Fig. 6 | BMC Biology

Fig. 6

From: Lineage tracing shows that cell size asymmetries predict the dorsoventral axis in the sea star embryo

Fig. 6

Differences in ectoderm morphogenesis between sea urchin and sea star. Schematic representation of the known and hypothesized fate maps of sea urchin and sea star ectoderm. In the sea urchin, the ciliary band marks the boundary between dorsal/aboral and ventral/oral ectoderm (scheme adapted from Davidson et al., 1993). In the sea star, the position of the precursors of the ciliary band (Yankura et al., 2013) and the location of pre-oral and post-oral ciliary bands are known (Nakajima et al. 2004; Hinman and Burke 2018). Our lineage tracing data suggests that the boundary between dorsal/aboral and ventral/oral anterior ectoderm lies between the two ciliary bands in the sea star

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