4 citations,
June 2023 in “Journal of developmental biology” The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.
April 2003 in “Experimental Dermatology” The workshop highlighted the genetic links and psychological impacts of hair loss and skin disorders.
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.
15 citations,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
112 citations,
January 2004 in “The International journal of developmental biology” Feather patterns form through genetic and epigenetic controls, with cells self-organizing into periodic patterns.