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Origins of radial symmetry identified in an echinoderm during adult development and the inferred axes of ancestral bilateral symmetry
How the radial body plan of echinoderms is related to the bilateral body plan of their deuterostome relatives, the hemichordates and the chordates, has been a long-standing problem. Now, using direct development in a sea urchin, I show that the first radially arranged structures, the five primary po...
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
The Royal Society
2007
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| Online Zugang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2176165/ https://ncbi.nlm.nih.gov/pubmed/17439856 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rspb.2007.0312 |
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