4 citations
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May 2006 in “médecine/sciences” The hairless gene is crucial for hair health, and its mutations cause hair loss.
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.
74 citations
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October 2012 in “The American Journal of Human Genetics” Mutations in the HOXC13 gene cause hair and nail development issues.
7 citations
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January 1990 20 citations
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September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
October 2019 in “Asian Journal of Research in Animal and Veterinary Sciences” Young horses are more prone to a fungal infection causing hair loss and skin redness.
11 citations
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January 1993 in “Journal of Veterinary Diagnostic Investigation” Horses in western Iowa got sick from high selenium in local alfalfa hay.
194 citations
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May 2000 in “Journal of Investigative Dermatology” The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.
10 citations
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January 1971 in “The American midland naturalist” A simple method can show hair's surface pattern.
5 citations
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September 2021 in “Journal of Molecular Histology” LHX2, with other markers, can identify hair placodes in rats.
October 1999 in “Inpharma weekly” July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
December 2023 in “International Journal of Research in Dermatology” Halo Scalp Ring is a rare newborn hair loss that can be missed, and early diagnosis can avoid extra tests and worry for parents.
34 citations
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June 1992 in “Journal of Cutaneous Pathology” Harlequin ichthyosis involves abnormal skin cell structures and giant mitochondria, affecting skin and hair.
20 citations
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July 1998 in “Archives of dermatology” April 2010 in “The FASEB Journal” Knockout mice showed anemia and hair loss, suggesting other ways exist for iron absorption.
December 2025 in “Toxicology and Applied Pharmacology” 9 citations
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October 1995 in “Clinical Dysmorphology” The family has a unique form of ectodermal dysplasia similar to Clouston syndrome but with different hair and skin symptoms.
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April 2003 in “Die Naturwissenschaften” 1 citations
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May 2016 in “Journal of Veterinary Diagnostic Investigation” Exotic lice infest 45% of California mule deer, with younger and selenium-deficient deer more vulnerable.
June 2018 in “Dermatologic Surgery”
9 citations
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July 2019 in “Folia Morphologica” Brandt's hedgehog has thick skin on its back and many glands near its nostrils.
21 citations
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December 2015 in “European journal of cell biology” Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.
8 citations
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September 1975 in “Journal of Animal Science” Moose hair can track past mineral levels, except zinc.
55 citations
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November 2018 in “American journal of human genetics” Mutations in the LSS gene cause a rare type of hereditary hair loss.
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January 1990 December 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Hedgehog signaling controls hair follicle development and can affect skin cancer growth.
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November 1993 in “Mammalian Genome” A gene mutation in mice causes permanent hair loss and skin issues.
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July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
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January 2007 in “International Society of Hair Restoration Surgery” The forelock approach in hair transplants improves natural appearance by focusing hair density in one area.