Hair feels different when touched and rubs together in various ways.
January 1999 in “Journal of the European Academy of Dermatology and Venereology” RAPK is a rare skin disorder with pigmented spots, mainly on hands and feet, starting in youth.
1 citations
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December 2018 in “Journal of genetic medicine” A small change in the TRPS1 gene leads to a less severe form of a syndrome affecting hair, nose, and finger development.
2 citations
,
August 2019 in “Electronics and Communications in Japan” The device mimics human hair follicles and detects tiny forces and moments with high sensitivity.
December 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Hedgehog signaling controls hair follicle development and can affect skin cancer growth.
28 citations
,
September 2013 in “European Journal of Histochemistry” Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.
12 citations
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January 2005 in “Pediatric Dermatology” Fox Fordyce disease might be more common in prepubertal girls than thought and can be managed with treatment.
Stroma structural changes cause large pores and skin laxity, regardless of age or ethnicity.
October 2022 in “Medičnì perspektivi” Darier-White disease causes skin and nail issues, starts around age 20, worsens until 40-50, and has poor treatment options.
15 citations
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April 1970 in “PubMed” Netherton's syndrome may have a familial link and doesn't always include atopy.
January 2025 in “Cellular and Molecular Biology” The PIP5K1A gene helps cashmere growth in goats by promoting cell proliferation, and melatonin boosts its expression.
June 2026 in “Communications Biology” Hoxc13 and hair keratin are needed for forming rough skin on frog mating pads.
January 2020 in “Medpulse International Journal of Medicine” Nail and hair changes are common in severe chronic kidney disease and should be treated to improve patients' quality of life.
9 citations
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November 2019 in “Cell calcium” The STIM1 R304W mutation in mice leads to bone changes and teeth hair growth.
February 2026 in “JEADV Clinical Practice” Nail pitting in kids can be harmless or indicate other health issues, so thorough evaluation is crucial.
2 citations
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June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
39 citations
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November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Fatp4 is crucial for healthy skin development and function.
February 2018 in “BMJ case reports” An 18-year-old woman was diagnosed with a rare skin condition called Pityriasis rubra pilaris.
13 citations
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November 2019 in “Scientific reports” Certain drugs change freshwater snail shells to a "banana" shape.
207 citations
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September 1973 in “Entomologia Experimentalis et Applicata” B-type hairs on female butterfly legs help them choose where to lay eggs.
1 citations
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October 2015 in “OakTrust (Texas A&M University Libraries)” Harp seals have different innervation patterns in their whiskers, with lateral whiskers having more axons than medial ones.
2 citations
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January 2002 in “Zhiwu Yanjiu” Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
7 citations
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January 2012 California Ground Squirrel hair can indicate environmental health by showing element accumulation.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” A patient with a PLEC mutation has epidermolysis bullosa, muscular dystrophy, and myasthenia gravis, which improved with steroid treatment.
October 2021 in “Journal of Investigative Dermatology” Skin changes in Pseudoxanthoma elasticum patients can indicate the severity of related health issues.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
4 citations
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January 2019 in “Indian Dermatology Online Journal” The term "Porokeratotic Adnexal Ostial Nevus" is suggested as a more appropriate name.
2 citations
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January 2025 in “Dermatology Practical & Conceptual” Nailfold dermoscopy is a simple, cheap way to check blood vessel changes in COVID-19 patients.
28 citations
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September 2013 in “Biogerontology”
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.