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Summary
| Description |
English: At stage 16/17, a turtle embryo in the egg is developing its shell. In cross-section, the ribs are seen to be growing sideways into the carapace bud, unique to the group, rather than downwards, so as to support the shell. |
| Date | |
| Source | Own work. Redrawn from micrograph in Cebra-Thomas, Judith, et al (2005). "How the turtle forms its shell: a paracrine hypothesis of carapace formation". Journal of Experimental Zoology Part B: Molecular and Developmental Evolution 304B (6): 558–569. DOI:10.1002/jez.b.21059. ISSN 1552-5007. |
| Author | Ian Alexander |
| Other versions | العربيَّة |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:31, 28 May 2021 | | 2,122 × 1,568 (54 KB) | Chiswick Chap | label |
| 10:51, 28 May 2021 |  | 2,122 × 1,568 (54 KB) | Chiswick Chap | Uploaded own work with UploadWizard |
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