45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
17 citations
,
August 2014 in “The Anatomical Record” Scaffoldin helps form hard skin structures in chicken embryos.
8 citations
,
January 2023 in “International journal of molecular sciences” Transglutaminase activity is important for skin and is found in both mammals and birds.
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.