248 citations
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April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
January 2008 in “Medical Entomology and Zoology” January 1997 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The hair follicle's connection to connective tissue is weaker than the skin's.
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March 2008 in “Neuroscience Research” Cat paws have complex touch sensors for detailed sensory processing.
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July 2019 in “The Journal of Dermatology” Terbinafine effectively treated kerion celsi despite disrupted immune responses.
64 citations
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January 1995 in “Cells Tissues Organs” Merkel cells develop independently of nerves and are linked to specific hair follicles in mice.
July 2025 in “Journal of Investigative Dermatology” Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
Keratinocytes grew and migrated into hair follicle areas but disappeared after 15-20 days.
5 citations
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January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
21 citations
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June 2003 in “Journal of Morphology” Monotreme and marsupial skin proteins show primitive features and species-specific differences compared to placental mammals.
1 citations
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January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
2 citations
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June 2013 in “Journal of Dermatological Case Reports” Olmsted syndrome is a rare skin disorder causing thickened skin and other symptoms.
1 citations
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January 1963 in “The Anatomical Record” Glyceride levels in mouse skin are higher during hair growth.
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October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
51 citations
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February 2004 in “Journal of Investigative Dermatology” MCSP may help identify and regulate skin stem cells, affecting hair growth and regeneration.
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March 1986 in “British Veterinary Journal” Canine skin has two main layers: the epidermis and dermis, with a supportive subcutis layer.
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September 2009 in “European journal of histochemistry” CD90 is present on specific cells in dog hair follicles.
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June 2001 in “British Journal of Dermatology” c-Myc, Max, and Bin1 help hair follicle cells mature and die.
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January 1990
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June 2012 in “European journal of human genetics” Inherited ichthyoses cause widespread skin scaling and thickening due to gene mutations.
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July 2001 in “PubMed” A new type of pachyonychia congenita may exist, caused by a different keratin mutation.
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February 1989 in “Journal of Investigative Dermatology” 18 citations
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June 1993 in “Archives of Dermatological Research” Human hair follicles can be used to create skin-like tissue for wound healing and drug testing.
26 citations
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January 2022 The skin is essential for protection, temperature control, and immune defense.
35 citations
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September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
January 2007 in “Durham e-Theses (Durham University)” Hair growth and shedding involve specific cell changes and gene roles.
18 citations
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November 2007 in “Acta Veterinaria Hungarica” The ovine interdigital sinus has a complex structure with three layers and various skin-like features.
August 2018 in “Journal of Investigative Dermatology” Humans evolved to have less hair and more sweat glands than chimpanzees and macaques.
65 citations
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December 2000 in “PubMed” The biology of skin and hair is complex and not fully understood.
58 citations
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November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.