45 citations
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April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
6 citations
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October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
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January 2023 in “International journal of molecular sciences” Transglutaminase activity is important for skin and is found in both mammals and birds.
17 citations
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August 2014 in “The Anatomical Record” Scaffoldin helps form hard skin structures in chicken embryos.
41 citations
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July 1994 in “Journal of Dermatological Science” Hair follicle cells need complex interactions to fully differentiate.