33 citations
,
October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
86 citations
,
April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
73 citations
,
January 2016 in “International review of cell and molecular biology” Cornification evolved from keratinization in vertebrates, with differences between mammals and sauropsids.
17 citations
,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
February 2025 in “Animals” Understanding proteins in skin structures like claws and hair is crucial for future research.