1 citations
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June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
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July 2001 in “PubMed” A new type of pachyonychia congenita may exist, caused by a different keratin mutation.
September 2016 in “Journal of Dermatological Science” Polarizing light microscopy can easily and reliably diagnose congenital keratinizing disorders like Netherton syndrome.
15 citations
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October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
4 citations
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August 2023 in “Nature Communications” Mouse zigzag hair bends form due to a 3-day cycle of changes in hair progenitors and their environment.
December 2011 in “URMIA MEDICAL JOURNAL” Glycoconjugate sugars are important for hair follicle development.
9 citations
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August 2021 in “Journal of clinical medicine” Pili torti is a rare condition where hair is twisted and breaks easily, often linked to genetic disorders or other health issues.
74 citations
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October 2012 in “The American Journal of Human Genetics” Mutations in the HOXC13 gene cause hair and nail development issues.
22 citations
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January 2006 in “Journal of Structural Biology” Hair follicles form hard α-keratin filaments in four steps, showing structural differences.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
May 2021 in “Zenodo (CERN European Organization for Nuclear Research)” Biotin may help hair and nails grow.
2 citations
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January 2018 in “Springer eBooks” The document explains what healthy skin, nails, and hair look like on an ultrasound.
November 2022 in “Indian Journal of Dermatology/Indian journal of dermatology” Valproic acid can cause dark lines on nails.
46 citations
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August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
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May 2012 in “Advanced Healthcare Materials” Human hair keratins improve cell adhesion and growth on culture surfaces.
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January 2020 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Cryotherapy is effective for ingrown toenails, especially in single cases, but has high recurrence in younger and bilateral cases.
August 2019 in “Journal of The American Academy of Dermatology” The document concludes that using micropore tape on an 18-gauge needle can control depth in hair restoration surgery, reducing scalp trauma and complications.
8 citations
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April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
February 2009 in “Springer eBooks” Pregnancy can cause more body and scalp hair growth and make nails brittle, but these changes often revert after giving birth.
Hair and nail disorders can harm self-esteem, but early treatment helps.
3 citations
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October 1994 in “Medical Molecular Morphology” The lower part of rat vibrissa hair gets more blood and is well-protected for growth.
March 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
November 2025 in “Turkish Journal of Dermatology” Non-informative YouTube videos on ingrown toenails get more views, but videos by podiatrists are the highest quality.
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February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
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November 2022 in “Frontiers in Medicine” Onychopapilloma likely originates from the nail bed, not the nail matrix.
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December 2013 in “The Journal of Dermatology” A new mutation in the K6b gene caused a girl's late-appearing nail condition.
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July 2024 in “Dermatology and Therapy” Hair shaft abnormalities can help distinguish mycosis fungoides from other skin conditions.
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April 2019 in “Journal of Structural Biology” Keratin fibers in hair twist left-handed.
July 2019 in “Dermatologic Surgery” 30 citations
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November 1992 in “The Journal of Dermatology” Keratohyalin and trichohyalin proteins help form and organize skin and hair structures.