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April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
86 citations
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April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
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November 2009 in “British journal of dermatology/British journal of dermatology, Supplement” Sub3 is essential for fungus adherence but not for skin invasion.
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November 1998 in “Cell” β-catenin affects hair growth and can lead to tumors, needing more research for better understanding.
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October 2015 in “BMC Genomics” Chicken feather growth involves specific genes and shares similarities with hair development.