2 citations
,
June 2003 in “American Journal of Dermatopathology” A unique case of skin cancer showed unusual calcification, possibly linked to calcium-binding proteins.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
30 citations
,
November 1992 in “The Journal of Dermatology” Keratohyalin and trichohyalin proteins help form and organize skin and hair structures.
30 citations
,
January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
February 1990 in “PubMed” Hair follicle cells and skin cells differ in keratinization and other features.
54 citations
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November 1994 in “Differentiation” Trichohyalin is found in non-hair tissues and works with filaggrin in certain skin areas and conditions.
6 citations
,
October 1998 in “PubMed” Antifungal treatment can improve severe skin infections with cutaneous horns.
82 citations
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January 2006 in “International review of cytology” Vertebrate skin evolved to be more specialized and complex, especially in land animals.
2 citations
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June 2012 in “American Journal of Dermatopathology” A rare neck cyst in a 47-year-old man showed diverse skin cell types and was not linked to HPV.
January 1997 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The hair follicle's connection to connective tissue is weaker than the skin's.
44 citations
,
March 2019 in “Experimental Dermatology” A wide range of proteins are integrated into the skin's protective layer.
22 citations
,
January 2006 in “Journal of Structural Biology” Hair follicles form hard α-keratin filaments in four steps, showing structural differences.
135 citations
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October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.
28 citations
,
November 1987 in “Journal of the American Academy of Dermatology” The model successfully grew and differentiated hair follicle cells in the lab.
1 citations
,
July 2008 in “Expert Review of Dermatology” Normal hair thickness varies by scalp area and a mix of hair thicknesses is typical in healthy individuals.
July 2025 in “Bioma Berkala Ilmiah Biologi” Wild boar skin from Timor Island has three layers with various structures like hair follicles and glands.
1 citations
,
January 1992 in “Bangladesh Journal of Animal Science” Camel skin has typical mammalian layers, with hair follicles, glands, and muscles, varying by body area.
61 citations
,
February 1982 in “Cell and Tissue Research” 20 citations
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December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
May 2020 in “International journal of dermatology and venereology” Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
29 citations
,
July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
110 citations
,
August 2004 in “British Journal of Dermatology” The ventral matrix is the main source of the nail plate.
7 citations
,
January 1995 in “The Indian Journal of Animal Sciences” The Indian buffalo teat has a melanin-rich epidermis, no hair follicles, and a complex structure with muscle, blood vessels, and immune cells.
86 citations
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May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
23 citations
,
February 2004 in “British Journal of Dermatology” Keratin in mouse hair follicles is complex and plays specific roles.
34 citations
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August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
7 citations
,
July 2008 in “Experimental Dermatology” The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.
60 citations
,
December 2003 in “Journal of Investigative Dermatology” K6hf is found in specific parts of hair follicles, nails, and tongue, and is linked to hair growth and structure.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
94 citations
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October 1994 in “The Journal of Cell Biology” Too much keratin 16 in mice skin causes abnormal skin thickening and structure.