28 citations
,
January 1985 in “Journal of the American Academy of Dermatology” A girl with citrullinemia developed pili torti, suggesting a link between the hair condition and the metabolic disorder.
1 citations
,
January 2010 The washing machine cylinder can crack at 15 kg and 2400 rpm, which is higher than normal use.
5 citations
,
January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
January 1980 in “中国科学A辑(英文版)” The protein structures in the hair and tendon were preserved, but their molecular arrangements changed.
April 2023 in “Journal of Investigative Dermatology” Mutations in the SHH pathway in certain skin cells can cause skin tumors and abnormal hair growth.
1 citations
,
July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
7 citations
,
January 2017 in “Sub-cellular biochemistry/Subcellular biochemistry” Chirality influences the structure, strength, and biological uses of peptide-based hydrogels.
3 citations
,
May 2006 in “Dermatologic Surgery” Most men's multi-hair follicles naturally stand perpendicular to a line from the top of their head, which is important for natural-looking hair transplants.
April 2025 in “Indian Journal of Paediatric Dermatology” Trichorrhexis invaginata can occur with tinea capitis, though it's rare.
May 2023 in “Accounts of chemical research” New methods can better classify curly hair types and lead to improved hair care products.
42 citations
,
September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
7 citations
,
August 2009 in “Applied Mathematics and Mechanics-English Edition” Hair fibers have fractal patterns with properties related to the golden mean, which may affect their functionality.
March 2026 in “Preprints.org” Chirality affects the structure, strength, and function of peptide-based hydrogels.
3 citations
,
August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
May 2020 in “JOJ Dermatology & Cosmetics” A rare skin condition usually on the face was found on a man's heel.
31 citations
,
September 2016 in “PLoS ONE” Cell division orientation varies by body site and is linked to epidermal thickness and cell density.
287 citations
,
March 1999 in “The Plant Journal” Microtubules help control the direction and stability of root hair growth in Arabidopsis thaliana.
September 1989 in “PubMed” The method allows detailed observation of hair tissue structures.
January 2025 in “Open University of Cape Town (University of Cape Town)” Lipids play a key role in determining hair curvature.
January 2024 in “Indian Journal of Pharmaceutical Sciences” Relaxing certain muscles might straighten curly hair.
32 citations
,
January 2000 in “Human Heredity” Monilethrix severity varies and may be influenced by other genetic or environmental factors.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
3 citations
,
January 2022 in “Biomaterials Science” The dressing can track joint movement and speed up healing of joint wounds.
7 citations
,
April 2000 in “Mammalian Genome” A new mutation in mice causes crooked whiskers and messy hair.
46 citations
,
June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
5 citations
,
September 2005 in “Hair transplant forum international” Nature uses midline convergence to make the center of something look denser or thicker.
2 citations
,
March 2024 in “Pediatric Dermatology” Two siblings have a rare hair condition caused by a new genetic variant.
April 1996 in “Journal of Dermatological Science” 3 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.