March 2025 in “Multidisciplinary Science Journal” Sonic hedgehog (Shh) is crucial for gecko tail regeneration.
August 2024 in “Research Journal of Health Sciences” Normal scalp and hair characteristics in Black Africans include white dots and a honeycomb pattern.
September 1973 in “Primates” January 2025 in “International Journal of Trichology” Trichotillomania can occur in unusual patterns and sites, highlighting the need for awareness and treatment options.
21 citations
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July 2024 in “Journal of Investigative Dermatology” 1 citations
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September 2024 in “Veterinary Dermatology” Trichography is important for diagnosing hair fragility in Pomeranian dogs with hair cycle issues.
May 2025 in “Dermatology Reports” A genetic mutation in the LIPH gene causes a rare hair disorder with sparse, curly hair.
June 2023 in “JAAD case reports” The document concludes that "hot comb alopecia" is now called "central cicatricial centrifugal alopecia" and its causes are complex.
5 citations
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August 2013 in “Facial plastic surgery clinics of North America” Use a frontal forelock pattern to manage advanced hair loss.
Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
May 2007 in “Archives of Plastic Surgery” The Frechet flap technique effectively hides scalp surgery scars with good results and minimal issues.
November 2019 in “Journal of Vertebrate Biology” QIA-64 software can measure straight wire lengths accurately but needs improvement for curved wires and width measurements.
20 citations
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August 2009 in “Journal of The European Academy of Dermatology and Venereology” Occipital scalp affects female hair loss; terminal/vellus ratio helps diagnose androgenetic alopecia.
24 citations
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June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
9 citations
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January 2018 in “International Journal of Trichology” A woman's hair loss from graft versus host disease helps understand similar hair loss conditions.
February 2021 in “PubMed” A 2-year-old girl had a hair disorder not shared by her identical twin.
July 2024 in “Journal of Investigative Dermatology” Cell movements and forces shape feather growth in chicken skin.
28 citations
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June 1998 in “Clinical Genetics” Ambras syndrome's genetic cause is unknown, as it isn't linked to androgen levels.
October 2024 in “Archives of Dermatological Research” Male and female pattern hair loss have different molecular pathways, suggesting unique treatment targets for each sex.
7 citations
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January 2012 in “International Journal of Trichology” Sudden, unusual hair loss may indicate serious underlying health issues.
8 citations
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September 1975 in “Journal of Animal Science” Moose hair can track past mineral levels, except zinc.
March 2025 in “International Journal of Trichology” FAPD in children may not depend on androgens and should be treated with anti-inflammatory measures and minoxidil.
1 citations
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August 2024 in “Pediatric Dermatology” A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
52 citations
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January 2016 in “Sexual Development” Both genetic and hormonal factors are crucial for bird sex differentiation, and disturbances can cause sex reversal.
October 2025 in “Indian Journal of Dermatology” Dermoscopy can help diagnose tuberous sclerosis by identifying unique skin patterns.
26 citations
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August 2013 in “Australasian Journal of Dermatology” Certain scalp patterns can indicate the severity and activity of hair loss in Turkish alopecia patients.
103 citations
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March 2011 in “PLoS Biology” Birds can lose neck feathers due to a genetic change that increases a gene's activity, helping them adapt to heat.
March 2025 in “Forum Dermatologicum” Trichoscopy is crucial for accurately diagnosing fibrosing alopecia in pattern distribution.
2 citations
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November 1996 in “PubMed” Most people have similar hair protein patterns, but a rare variant was found in two women.