6 citations
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January 2020 in “Postepy Dermatologii I Alergologii” Trichoscopy is useful for diagnosing hair-pulling disorder.
8 citations
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July 2015 in “International Journal of Dermatology” A new DSG4 gene mutation causes hair defects in a young girl.
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.
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A specific immune response helps control mite populations on the skin, maintaining healthy hair follicles.
5 citations
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March 1981 in “PubMed” A girl grew extra hair in areas where she had insect bites.
1 citations
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August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
14 citations
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May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
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May 2004 in “Textile Research Journal” Scientists made antibodies to tell cashmere and wool apart, which could improve how we identify animal fibers.
39 citations
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May 2013 in “Optometry and vision science” A new way to find eyelash mites without pulling out eyelashes.
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January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
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January 2010 Tianzhu white yak hair varies in structure and density between fuzz and coarse hair.
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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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May 1964 in “Nature” 6 citations
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January 1997 in “Medical Mycology” The fungus Piedraia hortae damages hair by slowly breaking down its layers, leading to long-lasting infection.
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July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
December 2022 in “Laboratory Animal Research” Trichoblastomas in aged house musk shrews show unique features and may involve serum amyloid A in inflammation.
18 citations
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November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
1 citations
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December 2024 in “Methods in molecular biology” Hair proteins are complex and provide valuable genetic and biological information.
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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.
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March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
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March 2024 in “Oxford Medical Case Reports” Moth-eaten hair loss can be a sign of syphilis.
18 citations
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January 2011 in “International journal of trichology” Hair casts, also called pseudonits, are often mistaken for other conditions.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
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March 2006 in “Journal of Investigative Dermatology” Mutations in the DSG4 gene cause specific hair and scalp issues.
11 citations
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January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
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April 2019 in “Veterinary Dermatology” Cats infested with Lynxacarus radovskyi can lose hair without inflammation, treatable with selamectin.
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December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
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May 1991 in “Journal of Investigative Dermatology”