20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
3 citations
,
June 2020 in “Developmental Cell” Feather patterns are influenced by enhancers and chromatin looping, and the structure of protein complexes important for hair growth has been detailed.
September 2016 in “Journal of The American Academy of Dermatology” The girl has a genetic hair condition causing thin hair since childhood.
11 citations
,
September 2010 in “American Journal of Medical Genetics - Part A” A Turkish family with sparse hair and eyebrow loss has a mutation in the U2HR gene linked to Marie Unna hereditary hypotrichosis.
2 citations
,
July 2016 in “Journal of nature and science” Human hair can transmit magnetic signals through glass.
4 citations
,
December 2020 in “Journal of the American Academy of Dermatology” Pulling 2 or fewer hairs is normal for all hair types, including Afro- and Asian-textured hair.
17 citations
,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
January 2007 in “Revista del Centro Dermatológico Pascua” A 2-year-old boy was diagnosed with a rare genetic condition causing fragile hair, intellectual issues, and short stature.
November 2025 in “Nature Communications” Hair growth may involve a pulling force from the outer root sheath.
4 citations
,
September 1992 in “Journal of Small Animal Practice” A French bulldog had sparse hair due to a condition similar to that seen in Chinese crested dogs.
Polarized microscopy helps identify hair irregularities in genetic disorders.
21 citations
,
July 2010 in “International Journal of Cosmetic Science” Older people's hair becomes less shiny because it gets more uneven and curved.
23 citations
,
January 1985 in “Journal of Neuropathology & Experimental Neurology” Cupric chloride treatment corrected abnormal Purkinje cell development in brindled mice.
41 citations
,
May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.
2 citations
,
November 2018 in “Veterinary Dermatology” Poodles' hair changes aren't always linked to calcium, and special staining is needed to detect true calcium deposits.
September 2017 in “Journal of Investigative Dermatology” The research concluded that hyaluronic acid affects the formation and growth of hair follicle-like structures in a lab setting.
96 citations
,
January 1940 in “Journal of Endocrinology” Complete adrenal removal causes more hair loss in rats than partial removal.
January 2026 in “International Journal of Dermatology” APKH in young males may signal early hair loss and needs early attention.
37 citations
,
November 2007 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Black hair is fragile due to hair care practices, not structural differences.
February 2024 in “Infection and drug resistance” Tinea capitis in a child was caused by a fungus from cats, highlighting the need for accurate diagnosis and treatment.
78 citations
,
June 2003 in “Journal of the American Academy of Dermatology” Curly hair shape is determined by the hair bulb.
2 citations
,
January 1972 Hair can measure exposure to radioisotopes.
7 citations
,
January 2017 in “Sub-cellular biochemistry/Subcellular biochemistry”
1 citations
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September 2015 in “Clinics in Dermatology” The guide helps doctors diagnose hair problems by suggesting a thorough patient history, physical exams, and various diagnostic tools.
October 2015 in “CRC Press eBooks” Trichoscopy is a useful tool for examining and monitoring hair and scalp conditions.
4 citations
,
March 2022 in “BioEssays” Hydra can help understand human hair follicle microbiomes and develop new skin disease therapies.
The chapter explains causes of hair loss and excessive hair growth in animals.
December 2022 in “Skin Pharmacology and Physiology” Special scalp and hair examination techniques can identify hair problems.
9 citations
,
February 2018 in “Journal of The American Academy of Dermatology” Researchers developed a new method using methylene blue staining to more accurately identify the growth stage of human hair follicles.