55 citations
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February 2014 in “Journal of Structural Biology” Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.
6 citations
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December 1966 in “Textile Research Journal” Animal hair fibers like wool and mohair are strong when dry, but vicuna fibers are very brittle.
March 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
2 citations
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July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
18 citations
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August 2018 in “The FASEB journal” Rabbits lacking the Hoxc13 gene show similar hair and skin issues to humans with ECTD-9, making them good for research on this condition.
1 citations
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January 2020 in “Indian Dermatology Online Journal” Pigtail hair is a sign of new hair growth and should be recognized in hair loss conditions like acute telogen effluvium.
19 citations
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March 2013 in “Biology Letters” Early tetrapod keratins evolved into toe pad proteins in amphibians and hair proteins in mammals.
13 citations
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February 2019 in “Zoology” Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.
11 citations
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January 2016 in “Mycoses” Human black hair is best for distinguishing between T. mentagrophytes and T. verrucosum.
59 citations
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February 2019 in “BMC Genomics” Hair length in rabbits is linked to differences in lipid metabolism and cell death.
8 citations
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October 2024 in “Developmental Cell”
July 2023 in “Veterinary pathology” White-tailed deer can get a hair loss condition that might make them more vulnerable to environmental threats.
3 citations
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March 2020 in “International Journal of Molecular Sciences” Thymosin β4 helps increase hair growth in Cashmere goats.
December 2022 in “Scientific Reports” Stem cells from whiskers can be transplanted to stimulate hair growth.
7 citations
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October 1992 in “PubMed” Sinus hair follicles in mammals have different nerve fiber types with species-specific patterns, especially in cats.
Curly wool has more orthocortex than straight wool.
90 citations
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July 1993 in “Journal of Investigative Dermatology” 10 citations
,
January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
1 citations
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April 2025 in “BMC Veterinary Research” PSAT1 is key for hair growth and stem cell function in cashmere goats.
158 citations
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November 1998 in “Cell” β-catenin affects hair growth and can lead to tumors, needing more research for better understanding.
5 citations
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July 1999 in “Journal of Anatomy” Methylene blue staining effectively highlights detailed nerve structures in rat fur.
7 citations
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July 2025 in “The Journal of Physiology” C-tactile nerves are sensitive to hair movement.
October 2012 in “한국미용학회지” Tremella fuciformis Berk helps protect hair growth from stress effects.
2 citations
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February 2025 in “PLoS ONE” Key proteins influence wool quality by affecting hair follicle development in sheep.
January 2008 in “Medical Entomology and Zoology” 7 citations
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May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology” 4 citations
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January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
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.
24 citations
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November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.