Curly wool has more orthocortex than straight wool.
October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” The Hair Cell Analysis Toolbox automates and improves the analysis of cochlear hair cells using machine learning.
8 citations
,
July 2020 in “BMC genomics” The research found genes that change during cashmere goat hair growth and could help determine the best time to harvest cashmere.
1 citations
,
January 2020 in “Veterinariya Zootekhniya i Biotekhnologiya” Long-haired cats have thinner skin where hair is thicker, and all have unique collagen patterns.
2 citations
,
January 2007 in “Actas Dermo-Sifiliográficas” Two cases of hairy elbows syndrome were described, with normal skin texture and symmetrical hair growth.
1 citations
,
January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
12 citations
,
July 2016 in “British journal of dermatology/British journal of dermatology, Supplement” Different hair fiber development might explain why hair loss severity varies in patients with a specific genetic mutation, and treatments that thicken hair could help.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
24 citations
,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
43 citations
,
April 1996 in “Journal of Investigative Dermatology” December 1978 in “Indian Journal of Otolaryngology and Head & Neck Surgery” 2 citations
,
January 1990 8 citations
,
April 2014 in “Clinical and Experimental Dermatology” Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.
21 citations
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October 2013 in “Molecular Biology of the Cell” The protein CCN2 controls hair growth by affecting hair follicle formation and stem cell activity in mice.
17 citations
,
June 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.
4 citations
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June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
September 2025 in “Cosmetics” Lipid content and structure affect water absorption in different hair types.
2 citations
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January 2017 Hair movement can indicate hair quality and health.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
18 citations
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November 2005 in “Archives of Dermatological Research” 9 citations
,
January 1989 in “Journal of Small Animal Practice” Abyssinian cats can have a hair abnormality that makes their coat look rough and dull.
24 citations
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January 2018 in “Development” Frizzled 3 and Frizzled 6 together control the orientation of mouse hair follicles.
February 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Rodent spiny hair traits are due to genetic factors other than the Edar gene.
51 citations
,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
78 citations
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May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
97 citations
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March 2002 in “Molecular and cellular biology” Mutant CDP/Cux protein causes hair defects and reduced male fertility in mice.
3 citations
,
January 2025 in “动物学研究” The gene GJA1 is important for regulating coarse hair density in goats.
4 citations
,
January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
86 citations
,
June 1998 in “Journal of Investigative Dermatology” The hairless gene mutation causes baldness by disrupting hair follicle structure.