July 2016 in “Indian journal of science and technology” Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.
2 citations
,
March 1942 in “JAMA” 14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
44 citations
,
August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
16 citations
,
January 2015 in “Annals of Dermatology” The study found specific hair and scalp patterns for different types of hair loss in Koreans, noting racial differences affect diagnosis.
September 2024 in “BMJ Case Reports” An adult had a rare scalp infection in the forehead area, treated successfully with itraconazole.
6 citations
,
December 2014 in “Clinical and Experimental Dermatology” Hair density and thickness decrease in all scalp areas for East Asians with AGA.
October 2025 in “JMIR Dermatology” Exclamation-mark hairs and yellow dots indicate alopecia areata, while follicular ostia loss and white scarring indicate lichen planopilaris and discoid lupus erythematosus.
March 2015 in “Journal of Visualized Experiments” A new method measures mouse hair loss using shades of gray.
2 citations
,
March 2014 in “Veterinary World” Indian bison, black buck, and nilgai have distinct hair follicle patterns useful for species identification.
April 2019 in “Journal of Medical Science And clinical Research” The grey patch variant of tinea capitis is most common, mainly spread through family and animals.
February 2009 in “Journal of The American Academy of Dermatology” Female hair loss can be diagnosed using specific trichoscopy criteria.
4 citations
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July 2020 in “Journal of proteomics” Hair protein composition is similar across different races and shapes.
January 2005 in “Veterinarski glasnik” The dog's hair discoloration was due to low zinc and hypothyroidism, not the medication.
March 2012 in “Journal of The American Academy of Dermatology” Dermoscopy helps diagnose different hair loss conditions, and characteristics vary among ethnicities and individual cases.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
November 2021 in “Zenodo (CERN European Organization for Nuclear Research)” Understanding the 2D:4D digit ratio in vitiligo patients may help in clinical assessments.
August 1969 in “Archives of Dermatology” Regenerated skin after calciphylaxis resembles scar tissue with fewer hairs.
61 citations
,
October 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The document concludes that accurate diagnosis is crucial for effectively treating common scalp disorders, which often have similar symptoms.
5 citations
,
July 1999 in “Journal of Anatomy” Methylene blue staining effectively highlights detailed nerve structures in rat fur.
1 citations
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January 2019 in “International Journal of Medical Reviews and Case Reports” Treatment with moisturizers improved the skin condition of a girl with a rare genetic skin disorder.
September 2024 in “Skin Research and Technology” AFM can help diagnose lichen planopilaris by identifying specific hair structure changes.
A natural hair dye from cuttlefish ink and chitosan effectively colors hair black without harmful chemicals.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
18 citations
,
November 2007 in “Acta Veterinaria Hungarica” The ovine interdigital sinus has a complex structure with three layers and various skin-like features.
10 citations
,
January 2013 in “Actas Dermo-Sifiliográficas” Most white Spanish women have a widow's peak, and their hairline measurements could help in hair restoration surgery.
January 2024 in “Medycyna Weterynaryjna” Horse breed significantly affects skin and hair thickness.
61 citations
,
February 1982 in “Cell and Tissue Research” 86 citations
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April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
January 2014 in “European Journal of Dermatology” A method was found to visualize hair regrowth and avoid unnecessary side effects from treatments.