191 citations
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November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
15 citations
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July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
14 citations
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January 1998 in “Dermatology” Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
8 citations
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January 2020 in “PeerJ” Alopecia Areata causes significant structural and compositional changes in hair.
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September 2012 in “Journal of Cosmetic Dermatology” Hair capacitance mapping effectively measures hair surface moisture changes.
2 citations
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July 2016 in “Veterinary dermatology” Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
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June 2019 in “The Journal of Dermatology” Two cases showed skin abnormalities without bone or neural defects.
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September 2018 in “ACS applied bio materials” Calcium fatty acid deposits found in human hair can change its appearance and feel.
4 citations
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June 1989 in “Archives of Dermatology” A man had a black pore on his cheek, which was removed and found to be a hair follicle tumor.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
4 citations
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August 2006 in “The Journal of Dermatology” HLA can be linked to autoimmune hepatitis.
January 2020 in “Journal of oral medicine and oral surgery” Hair grew in a man's mouth due to a rare condition called heterotopia.
87 citations
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August 1974 in “Journal of Investigative Dermatology” January 2006 in “International water power & dam construction” Nevus comedonicus can appear later in life and affect both eyelids.
November 2017 in “International journal of research in dermatology” A rare skin disorder, nevus comedonicus, can appear on one side of the body following Blaschko's lines.
December 2021 in “2021 International Conference on Electronic Information Technology and Smart Agriculture (ICEITSA)” Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.
1 citations
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August 2024 in “Lasers in Surgery and Medicine” Calcium hydroxylapatite can be successfully integrated into healing skin and stimulates collagen.
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January 1990 1 citations
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August 1992 in “Proceedings annual meeting Electron Microscopy Society of America” Mammoth hair from different ages shows distinct surface textures and elemental compositions.
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January 2019 in “Skin appendage disorders” Researchers found a new sign of fungal infection in some patients with Seborrheic Dermatitis.
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September 2008 in “International Journal of Cosmetic Science” Brushing causes more long hair breaks than combing, especially with bleached or wet hair.
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October 1992 in “PubMed” WHV infection does not affect woodchuck skin anatomy.
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January 1987 in “PubMed” Candida was found in most heroin users with folliculitis.
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September 2021 in “Communications Biology” Co5M offers a new way to observe and understand wound healing without labels.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
January 2019 in “Global Dermatology” Genetic hair shaft abnormalities can be seen with microscopes and often affect scalp hair.
Combining vertical and horizontal sectioning improves scalp biopsy analysis for alopecia.
42 citations
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June 2012 in “Clinical and Experimental Dermatology” Black dots under trichoscopy can appear in different hair and scalp conditions, not just in alopecia areata.
January 2026 in “Figshare”