July 2025 in “Journal of the American Academy of Dermatology” Hair diameter diversity helps assess hair loss, but its standard measure varies by individual and ethnicity.
January 1998 in “Jaypee Brothers Medical Publishers (P) Ltd. eBooks” Hair loss can be caused by hormones and genetics.
18 citations
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January 2015 in “Journal of medical genetics” New genes linked to woolly hair have been found, which could help treat it and change hair texture.
September 2024 in “Dermatology Reports” Sonidegib often causes hair loss, and LC-OCT helps identify early signs.
73 citations
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June 2006 in “Animal genetics” The FGF5 gene determines hair length in dogs.
March 2021 in “International Journal of Research in Dermatology” Trapezoid donor strips give more hair follicles than elliptical ones in hair transplants.
52 citations
,
January 2016 in “Sexual Development” Both genetic and hormonal factors are crucial for bird sex differentiation, and disturbances can cause sex reversal.
June 2004 in “Dermatologic Surgery” Dr. Walter P. Unger suggests that copying a person's natural hair direction and angle during transplants leads to a more natural and fuller appearance.
15 citations
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April 1970 in “PubMed” Netherton's syndrome may have a familial link and doesn't always include atopy.
9 citations
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December 2022 in “Genes” CNVs influence hair length in Tianzhu white yaks.
December 2024 in “JAAD International” January 2000 in “Medical Entomology and Zoology”
June 2023 in “Frontiers in Genetics” Genes related to calcium signaling and lipid metabolism are important for curly hair in Mangalitza pigs.
112 citations
,
October 2008 in “Wound Repair and Regeneration” Sonic hedgehog signaling is crucial for normal wound healing.
March 2026 in “Mendeley Data” March 2026 in “Mendeley Data”
7 citations
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August 2018 in “The American Journal of Dermatopathology” Researchers found a new early sign of Frontal Fibrosing Alopecia that could help avoid misdiagnosis.
April 2023 in “Journal of Investigative Dermatology” Mutations in the SHH pathway in certain skin cells can cause skin tumors and abnormal hair growth.
8 citations
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August 2017 in “Skin appendage disorders” Red dots on the upper chest may be an early sign of certain types of hair loss.
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.
June 2022 in “Our Dermatology Online” Trichoscopy is essential for early detection and monitoring of female-pattern hair loss.
15 citations
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November 2016 in “Journal of The American Academy of Dermatology” Exclamation mark hairs suggest early scalp disease, while white dots indicate it's chronic.
December 2024 in “Indian Journal of Veterinary Public Health” Argentine-cross polo ponies commonly develop sarcoid tumors with distinct types and histopathological features.
33 citations
,
February 2011 in “International Journal of Dermatology” Orange spots in scalp trichoscopy can help diagnose scalp sarcoidosis.
2 citations
,
May 2014 in “Journal of the Egyptian Women's Dermatologic Society (Print)” Dermoscopy helps diagnose different scalp conditions by showing unique signs for each disorder.
4 citations
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May 2020 in “Journal of The American Academy of Dermatology” Cicatricial pattern hair loss is likely advanced common baldness, not a type of lichen planopilaris.
2 citations
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February 2021 in “FEBS open bio” Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.
A runner developed tangled armpit hairs from shirt friction, preventable by shaving or wearing smooth shirts.
July 2016 in “Journal of Investigative Dermatology” Balding scalps show different gene expressions affecting hair growth compared to non-balding scalps.
16 citations
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June 2017 in “PLoS ONE” A 6-group hair classification is more reliable for drug testing than an 8-group system.