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Microanatomy of the placenta of Lycopodium obscurum: novel design in an underground embryo

โœ Scribed by Renzaglia, K. S.; Whittier, D. P.


Book ID
121786144
Publisher
Oxford University Press
Year
2013
Tongue
English
Weight
882 KB
Volume
112
Category
Article
ISSN
0305-7364

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Development of an evolutionarily novel s
โœ Loredo, Grace A. ;Brukman, Alla ;Harris, Matthew P. ;Kagle, David ;Leclair, Eliz ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 798 KB

## Abstract The turtle shell, an evolutionarily novel structure, contains a bony exoskeleton that includes a dorsal carapace and a ventral plastron. The development of the carapace is dependent on the carapacial ridge (CR), a bulge in the dorsal flank that contains an ectodermal structure analogous