8 citations
,
September 1981 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin deficiency in pigs causes hair loss, skin issues, and weak claws.
February 2026 in “International Journal of Homoeopathic Sciences” Plica Polonica is a rare hair disorder causing severe matting, managed by detangling or cutting, and prevented with regular hair care.
15 citations
,
January 2024 in “Chemical Engineering Journal” 11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
June 2018 in “Dermatologic Surgery”
June 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The HoxC gene cluster and its enhancers are essential for developing hair and nails in mammals.
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.
4 citations
,
January 2000 Piedraia hortae fungi dissolve both the outer and inner layers of hair.
46 citations
,
August 1977 in “Journal of Morphology” The big-clawed shrew's sinus hair follicles are highly specialized for sensing vibrations.
1 citations
,
September 2024 in “Veterinary Dermatology” Trichography is important for diagnosing hair fragility in Pomeranian dogs with hair cycle issues.
21 citations
,
January 2018 in “PLoS Genetics” Certain genetic variants in keratins increase the risk of tooth decay.
2 citations
,
November 2017 in “Case Reports” A baby boy's toe was saved from damage caused by hair strangulation by quick surgical treatment.
January 2018 in “International Journal of Medical Reviews and Case Reports” A 6-year-old girl with head lice developed scarring hair loss but improved with treatment.
10 citations
,
May 1994 in “Journal of Investigative Dermatology”
37 citations
,
March 2005 in “Journal of Paediatrics and Child Health” A hair strand caused a rare case of limb strangulation in a teenage girl with autism, and the condition is not always linked to child abuse.
14 citations
,
January 2008 in “Medical mycology” Canadian porcupines in a Japanese zoo passed a skin fungus to each other.
October 2024 in “Российский физиологический журнал им И М Сеченова” Understanding barbering in lab rodents is important for animal welfare and research accuracy.
45 citations
,
January 2018 in “International Journal of Dermatology” Nail problems are common in people with alopecia areata, often leading to cosmetic and functional issues, but more research is needed for treatment guidelines.
15 citations
,
August 2015 in “Scanning” Corkscrew and cigarette-ash-shaped hairs in tinea capitis are caused by internal hair degradation and external resistance.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
April 2014 in “Jurnal Biomedik : JBM” An 8-year-old girl had nail and hair issues that improved without specific treatment, but fungal nail infection was hard to cure.
50 citations
,
January 1986
Dacomitinib can cause nail and skin issues, but these can be managed without stopping the drug.
8 citations
,
June 2021 in “Acta dermato-venereologica” Trichoscopy is a reliable method for diagnosing hair-pulling disorder.
5 citations
,
February 2005 in “Journal of the American Academy of Dermatology” Focal palmoplantar callosities may help diagnose non-Herlitz junctional epidermolysis bullosa.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
14 citations
,
February 2014 in “Experimental Cell Research” The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.
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.
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.
1 citations
,
January 2013 in “International Journal of Physical and Social Sciences” Hair and nails can show long-term changes in lead and calcium levels.