38 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Understanding normal hair follicle development helps analyze abnormalities in mutant mice.
264 citations
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October 1958 in “Archives of Dermatology” A 4-year-old girl has a rare hair condition causing fragile, short hair.
46 citations
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
January 1963 in “Stain technology” Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
7 citations
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September 2006 in “Molecular Carcinogenesis” Homozygous K5Cre transgenic mice have wavy hair and faster cancer progression.
November 2025 in “Frontiers in Cell and Developmental Biology” The study maps goat hair follicle cells, revealing key genes and pathways involved in hair growth and cell death.
2 citations
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January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
January 2008 in “Medical Entomology and Zoology” 12 citations
,
December 2011 Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
29 citations
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July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
1 citations
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January 2012 in “Indian Journal of Small Ruminants (The)” Chegu goats have two types of hair follicles, with primary ones having glands and muscles, and secondary ones lacking them.
78 citations
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May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
3 citations
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July 2019 in “Fibers And Polymers/Fibers and polymers” 41 citations
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January 2001 in “Journal of Investigative Dermatology” 30 citations
,
November 1985 in “American Journal of Veterinary Research” Switch hair can indicate magnesium and copper levels in beef cows.
93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
1 citations
,
April 2009 in “Wiley Encyclopedia of Forensic Science” Microscopic hair analysis helps identify species and sometimes individuals in forensic science.
June 2011 in “Journal of medicine and life science” Hizkia fusiforme seaweed extract can help promote hair growth.
6 citations
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March 1996 in “Journal of Investigative Dermatology” 119 citations
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November 2016 in “American journal of human genetics” Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.
11 citations
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January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
20 citations
,
September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
7 citations
,
April 1996 in “British Journal of Dermatology” Hair structural proteins are synthesized sequentially in specific cells, offering a new way to study hair proteins and defects.
July 2016 in “Journal of Investigative Dermatology” Balding scalps show different gene expressions affecting hair growth compared to non-balding scalps.
37 citations
,
August 1999 in “Journal of Investigative Dermatology” A specific gene mutation causes complete hair loss without other health issues.
12 citations
,
January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.