17 citations
,
December 2003 in “Veterinary dermatology” Some masked palm civets in Japan have a skin disease caused by mites.
12 citations
,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
January 1997 in “Fundamental & Clinical Pharmacology”
2 citations
,
May 2021 in “Scientific Reports” Stress is likely causing hair loss in Formosan macaques.
1 citations
,
September 2017 in “Journal of Investigative Dermatology” Hair care products reduced hair roughness, a combination of Stemoxydine and Resveratrol increased hair density, fermented mackerel oil promoted hair growth, and genes TERT and Bmi-1 helped create new hair follicles.
20 citations
,
January 2002 in “Laboratory Animals” Mutations in the hairless gene cause hair loss and skin cysts in rhesus macaques.
1 citations
,
January 2020 in “Veterinariya Zootekhniya i Biotekhnologiya” Long-haired cats have thinner skin where hair is thicker, and all have unique collagen patterns.
191 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
1 citations
,
June 2022 in “Tidsskrift for Den norske legeforening” A young boy's uncombable hair is due to a rare genetic condition that usually improves over time.
107 citations
,
December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
64 citations
,
January 1995 in “Cells Tissues Organs” Merkel cells develop independently of nerves and are linked to specific hair follicles in mice.
7 citations
,
January 1995 in “The Indian Journal of Animal Sciences” The Indian buffalo teat has a melanin-rich epidermis, no hair follicles, and a complex structure with muscle, blood vessels, and immune cells.
August 2016 in “Journal of Investigative Dermatology” Human hair follicles have a scent receptor that can influence hair growth.
December 2022 in “Biochemical and Biophysical Research Communications” HtrA2 activity is crucial for normal hair growth by regulating fat cell development.
53 citations
,
October 2003 in “Genetics” The mK6irs1/Krt2-6g gene likely causes wavy hair in mice.
November 2023 in “Frontiers in veterinary science” The study provides insights into hair growth mechanisms in yaks.
Tricholemmoma is linked to Cowden syndrome and can be benign or malignant.
21 citations
,
April 2004 in “Australasian Journal of Dermatology” A 3-year-old girl has a rare condition causing sparse hair and nail issues, with minimal improvement from treatment.
11 citations
,
January 1981 in “Cells Tissues Organs” Human hair cuticle has five cell layers with specific junctions and granules.
19 citations
,
July 2004 in “Clinical and experimental dermatology” Acneiform follicular mucinosis can be controlled with systemic corticosteroids.
2 citations
,
September 1998 in “Der Hautarzt” A gene mutation causes a rare hereditary hair loss, offering potential for new treatments.
39 citations
,
February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
29 citations
,
January 2004 in “Experimental Dermatology” Topical anthralin helped regrow hair in mice with a condition similar to human alopecia.
7 citations
,
May 2005 in “Experimental Dermatology” Two mouse mutations cause similar hair loss despite different skin changes.
9 citations
,
September 2016 in “Forensic science international” Hair area varies with age and sex, but hair index and medullary index do not.
14 citations
,
March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
April 2025 in “Journal of Advanced Pharmaceutical Technology amp Research” A mix of Morinda citrifolia fruit and Averrhoa bilimbi leaves boosts hair growth better than minoxidil.
19 citations
,
March 2013 in “Biology Letters” Early tetrapod keratins evolved into toe pad proteins in amphibians and hair proteins in mammals.
291 citations
,
October 2005 in “Proceedings of the National Academy of Sciences of the United States of America” Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.