Yak hair stretches mainly due to macromolecules slipping past each other.
June 2021 in “International journal of research in dermatology” Shaving and avoiding brushing improved the patient's beard hair condition.
May 2015 in “Journal of The American Academy of Dermatology” A woman with Parry-Romberg syndrome developed new curly hair on one side of her scalp, a condition not previously linked to the syndrome.
March 2026 in “Dermatology Online Journal” Cystic panfolliculoma is a rare, harmless tumor that can be confused with other skin tumors.
3 citations
,
January 2022 in “Medical Mycology Journal” Malassezia fungi in healthy noses can form a "spaghetti-and-meatballs" structure.
30 citations
,
May 2005 in “Pediatric dermatology” Some families have a genetic condition where they are born with irregular scalp defects.
46 citations
,
August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
19 citations
,
May 2004 in “The American Journal of Dermatopathology” The research found that a specific gene mutation causes fewer hair follicles and disrupted hair growth cycles, leading to thin and short hair in people with Hypotrichosis with Juvenile Macular Dystrophy.
2 citations
,
August 2014 in “Archivos argentinos de pediatría” A 6-year-old girl with Turner syndrome also had psoriasis, alopecia areata, and trachyonychia.
December 2025 in “Cureus” SLE can occur in young males and cause knee pain.
3 citations
,
January 1988 20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
2 citations
,
June 2023 in “Clinical and Experimental Neuroimmunology” Thymoma may link myasthenia gravis, nail dystrophy, and alopecia areata.
2 citations
,
June 2003 in “American Journal of Dermatopathology” A unique case of skin cancer showed unusual calcification, possibly linked to calcium-binding proteins.
February 2013 in “Pediatrics in Review” The girl's symptoms suggest a complex condition that's hard to diagnose despite normal test results.
September 2012 in “Annals of saudi medicine/Annals of Saudi medicine” The twins' condition is unique and doesn't match any known syndromes.
2 citations
,
January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
2 citations
,
May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
1 citations
,
January 2020 in “Skin appendage disorders” A family was found with both Trichorhinophalangeal syndrome and Loose Anagen Syndrome, suggesting a genetic connection.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
35 citations
,
September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.
June 2021 in “The Journal of Family Practice” A 69-year-old woman has a fast-growing hand lesion that didn't improve with salicylic acid.
5 citations
,
January 2011 in “Archives de Pédiatrie” A severe form of Netherton syndrome caused by a specific gene mutation led to neonatal deaths in a family.
3 citations
,
August 2018 in “Therapeutics and Clinical Risk Management” Corticosteroid therapy for alopecia areata can cause severe hip bone damage.
3 citations
,
April 2016 in “International Journal of Dermatology” A young man was diagnosed with trichoepitheliomas, causing thick skin and hair loss.
4 citations
,
October 2019 in “Case Reports” A 33-year-old woman with PCOS and metabolic syndrome was unusually diagnosed with a bone condition called DISH, suggesting a possible link between these conditions.
1 citations
,
January 2021 in “Dermatology Review” A young man developed a rare, bilateral scalp condition after head trauma, causing hair loss but no neurological or eye issues.
January 2018 in “Our Dermatology Online” Trichomycosis axillaris is a treatable bacterial infection of underarm hair.
85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
34 citations
,
December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.