1 citations
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January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
January 2020 in “Indian dermatology online journal” Hair styling products can damage hair over time.
January 2016 in “International journal of clinical pediatrics” Valproic acid may cause temporary hair changes like loss or thinning in children.
January 2011 in “대한피부과학회지” A 7-year-old girl was diagnosed with trichothiodystrophy due to low sulfur levels in her hair.
February 2003 in “Journal of Cutaneous Medicine and Surgery” Fine hairs improve male pattern baldness treatment, alopecia areata causes remain unknown, and hair can recover from dye damage over time.
January 1996 in “대한피부과학회지” Wait at least 8 weeks between hair dyeing for cuticle recovery.
May 1988 in “Journal of Forensic Sciences” A new method accurately determines hair blood type and can be used on dust samples.
January 2004 in “Laboratory Animal Science and Administration” The hairless mutant gene causes early hair loss and affects skin and thymus development in mice.
20 citations
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December 1995 in “Veterinary Dermatology” Yorkshire Terriers with Colour Dilution Alopecia have reduced melanin and hair structure issues.
6 citations
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January 2005 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The 16th-century mummy's hair was well-preserved due to a calcium surface coat.
10 citations
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January 1980 in “Ultrastructural pathology” Green hair has high copper levels due to contaminated water and damaged hair cuticles.
1 citations
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February 2020 in “International Surgery Journal” Medical students lack awareness of plastic surgery's full scope, and more education is needed.
May 2025 in “Oxford Academix (Oxford)” Dermatology trainees lack standardized guidelines and education for treating testosterone-induced skin conditions in transmasculine individuals.
11 citations
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January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
1 citations
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July 2023 in “Journal of developmental biology” Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.
5 citations
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January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
38 citations
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July 2004 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.
Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.
6 citations
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March 1998 in “Textile Research Journal” Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.
8 citations
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January 2016 in “Skin research and technology” The 12-point scale is better for evaluating small changes in hair condition after using hair care products.
7 citations
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January 1966 in “Archives of Dermatology” The method accurately measures hair growth with minimal risk and is better than other methods.
32 citations
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January 1966 in “Archives of Dermatology” The method accurately measures hair growth with minimal risk and is better than other techniques.
158 citations
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January 2009 in “The International Journal of Developmental Biology” Reptile scales help us understand the evolution of skin features like hair and feathers.
17 citations
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November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
26 citations
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August 2007 in “Annals of Anatomy - Anatomischer Anzeiger” Feathers become harder as they develop due to a change in keratin type.
28 citations
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September 2013 in “European Journal of Histochemistry” Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.
38 citations
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November 2018 in “Scientific Reports” Bird scales evolved from feathers, not reptile scales.
6 citations
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January 2021 in “Journal of the mechanics and physics of solids/Journal of the Mechanics and Physics of Solids” The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
7 citations
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December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
8 citations
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July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.