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June 2014 in “Journal of The American Academy of Dermatology” Researchers found a white halo around hair in most patients with a specific type of hair loss, which helps in early diagnosis and treatment.
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.
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May 1991 in “The journal of investigative dermatology/Journal of investigative dermatology” Trichohyalin is also found in the outer layers of normal human skin.
Trichoscopic examination is crucial for diagnosing congenital triangular alopecia.
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March 1987 in “Phycologia” Phosphorus limitation causes significant hair growth in certain algae.
October 2013 in “The American Journal of Gastroenterology” The man's diarrhea was caused by a rare disorder called Cronkhite-Canada syndrome, which improved with specific medications.
November 2016 in “Zoo biology” Adding more vegetables and fruits improved capybaras' coat quality and health.
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March 2016 in “Small ruminant research” Vicuña wool's quality is due to a high density of fine secondary hair follicles, and their skin glands may be used for communication.
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January 2022 in “Gene” Scientists found 53 keratin genes in yaks that are important for hair growth and share similarities with those in other animals.
September 2025 in “Egyptian Journal of Dermatology and Venerology” Dermoscopy is crucial for diagnosing rare scalp tumors like trichofolliculoma.
3 citations
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March 2014 in “Veterinary dermatology” Norwegian puffin dogs have a unique type of hair loss that often doesn't get better on its own and responds well to ciclosporin treatment.
December 2022 in “Journal of Medical Case Reports” A 20-year-old woman was found to have a rare ovarian tumor causing symptoms like acne and a low-pitched voice, which disappeared after the tumor was removed.
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February 2025 in “Journal of Anatomy” Gray short-tailed opossums' skin shifts from helping with breathing to regulating body temperature as they grow.
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April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
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November 2025 in “Nature Reviews Disease Primers” January 2024 in “Elsevier eBooks”
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June 2013 in “Scientific Reports” A gene variant in KRT71 causes the curly fur in Selkirk Rex cats.
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January 1970 in “Bangladesh Journal of Veterinary Medicine” Most cats in Bangladesh have flea infestations, especially kittens and females.
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September 1992 in “Journal of Small Animal Practice” A French bulldog had sparse hair due to a condition similar to that seen in Chinese crested dogs.
January 2022 in “Yonago Acta Medica” A woman got a skin condition from misusing a steroid cream, which improved after she stopped using it and started a new treatment.
28 citations
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June 2007 in “Journal of Cutaneous Pathology” IRS premature desquamation is not unique to CCCA and occurs in various scarring alopecias.
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June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
January 2023 in “World Journal of Clinical & Medical Images” Early diagnosis and prednisone treatment can improve outcomes in Cronkhite-Canada syndrome.
85 citations
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October 2006 in “Current opinion in cell biology” Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.
September 2023 in “Cutis” A baby girl has a hair disorder called monilethrix, causing fragile hair that may improve over time.
January 2016 in “Case reports in clinical medicine” A 6-year-old girl was diagnosed with a rare hair disorder called monilethrix.
69 citations
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January 2020 in “Veterinary World” Ringworm in pets is influenced by fungi type, immune status, and stress hormones.
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October 2022 in “Biomedicines” Prdm1 is necessary for early whisker development in mice but not for other hair, and its absence changes nerve and brain patterns related to whiskers.