January 2015 in “Turkiye Klinikleri Journal of Dermatology” Peripilar keratin casts are a helpful sign for diagnosing traction alopecia.
22 citations
,
June 1980 in “International Journal of Dermatology” The document concludes that correct diagnosis of alopecia types is crucial, scalp biopsies are important, and more research is needed.
6 citations
,
January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
52 citations
,
October 1995 in “Experimental Cell Research” Human hair keratin genes hHa2 and hHb1 are located on chromosomes 17 and 12.
2 citations
,
January 2022 in “Indian dermatology online journal” Dermoscopy may not show hookworms clearly, and comparing it with tissue studies could improve diagnosis accuracy for skin conditions caused by parasites.
December 2025 in “Medical & Clinical Case Reports Journal” Corynebacterium minutissimum might cause hair loss on the scalp, but it's rarely diagnosed.
5 citations
,
October 2012 in “The Journal of Dermatology” Traumatic panniculitis can cause increased hair growth in affected areas.
28 citations
,
January 2022 in “PLoS ONE” Sarcoptic mange nearly wiped out vicuñas and guanacos in an Argentine park.
34 citations
,
December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.
January 2025 in “Indian Journal of Small Ruminants (The)” Timely diagnosis and treatment improved a goat's skin condition.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
7 citations
,
January 1997 in “International Biodeterioration & Biodegradation” Microsporum canis breaks down animal hair fastest in sheep and foxes, slowest in humans.
February 2019 in “American International Journal of Humanities Arts and Social Sciences” The dermis of Millivora Capenesis has two layers with various connective tissues, blood vessels, glands, and sensory structures.
2 citations
,
October 2001 in “Mycoses” A cat had a rare fungal infection caused by Microsporum gypseum.
1 citations
,
January 2023 in “International journal of molecular sciences” Rabbits with Sarcoptes scabiei had thicker skin, cell death, and skin hardening.
2 citations
,
July 2018 in “Journal of Cosmetic Dermatology” Common latent viruses might contribute to male-pattern baldness by disrupting cell processes that normally suppress hair loss-related proteins.
December 2025 in “International Journal For Multidisciplinary Research” Muridae species have unique hair patterns specific to each genus and species.
1 citations
,
February 2020 in “International Journal of Research in Dermatology” Scalp alopecia areata mostly affects young adult males, often starts suddenly, and usually presents as single, patchy lesions.
3 citations
,
January 1988 in “PubMed” The review found that basal cell carcinomas on the scalp are not more aggressive than those in other locations.
December 2025 in “Journal of Paediatrics and Child Health” Tick-bite alopecia can be identified by a bite-centered mark and treated with topical steroids, while SENLAT needs doxycycline.
January 2010 in “Chinese Journal of Dermatovenereology of Integrated Traditional and Western Medicine” A unique gene mutation was found in a family with monilethrix.
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
1 citations
,
June 2016 in “Medicina” Monilethrix is a genetic disorder causing brittle hair, diagnosed using tricoscopy.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
Accurate diagnosis of cicatricial alopecias requires thorough scalp examination and multiple biopsy techniques.
9 citations
,
September 2018 in “JAAD Case Reports” Lichen planopilaris can be triggered by prolonged scalp traction and can be treated with corticosteroids.
24 citations
,
September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
20 citations
,
August 2005 in “The Journal of laboratory and clinical medicine” Mice with damaged skin or hair follicles are more susceptible to anthrax infection.
October 2024 in “Journal of Cutaneous Pathology” Compound follicles in folliculitis decalvans mainly have active hair follicles.