Article
Evolutionary origin of the feather epidermis.
Developmental dynamics : an official publication of the American Association of Anatomists - 1 Feb 2005
Sawyer Roger H, Rogers Loren, Washington Lynette, Glenn Travis C, Knapp Loren W
Abstract excerpt
The formation of scales and feathers in reptiles and birds has fascinated biologists for decades. How might the developmental processes involved in the evolution of the amniote ectoderm be interpreted to shed light on the evolution of integumental appendages? An Evo-Devo approach to this question is proving essential to understand the observation that there is homology between the transient embryonic layers...
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