July 2025 in “Journal of Investigative Dermatology” Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
1 citations
,
July 2007 in “Plastic and Reconstructive Surgery” Hair grafts improved the look of a man's leg after an accident and the patient was happy with the results.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
2 citations
,
January 2002 in “Zhiwu Yanjiu” Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
December 2022 in “Scientific Reports” Stem cells from whiskers can be transplanted to stimulate hair growth.
8 citations
,
February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
4 citations
,
January 2007 in “Indian Journal of Dermatology” Body hair can be used as an extra source of donor hair in hair restoration surgery for people with severe hair loss.
22 citations
,
April 1967 in “Australian Journal of Zoology” Southern elephant seals develop hair follicles and skin layers before birth, with moulting starting a week after birth and finishing in three weeks.
3 citations
,
December 2024 in “Journal of Animal Physiology and Animal Nutrition” FGF20 is essential for hair follicle stem cell growth and development in fine-wool sheep.
10 citations
,
April 2018 in “Facial Plastic Surgery” The surgical technique of scalp advancement and pretrichial brow lift shortens the forehead and lifts brows, is good for women and transgender women with high foreheads, but not recommended for men and has some risks.
8 citations
,
March 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” The 14-3-3σ gene is essential for preventing hair loss.
41 citations
,
June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
5 citations
,
October 2003 in “Archives of Dermatology” The elderly woman experienced hair loss and scalp itching, especially at the front hairline, and lost her eyebrows.
137 citations
,
September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.
October 1976 in “BMJ. British medical journal”
1 citations
,
November 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Male and female human hairs have different microscopic structures that can help in forensic analysis.
January 1957 in “Nihon Chikusan Gakkaiho” Rabbit hair color is influenced by the shape and distribution of pigment granules.
November 2022 in “Research Square (Research Square)” The research provides insights into hair follicle growth in forest musk deer by identifying key genes and pathways involved.
136 citations
,
July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
1 citations
,
June 2017 in “Nature Reviews Immunology” Immune cells called Treg cells are essential for hair growth and regeneration.
2 citations
,
March 2014 in “Veterinary World” Indian bison, black buck, and nilgai have distinct hair follicle patterns useful for species identification.
58 citations
,
April 2009 in “Dermatologic Surgery” Most women have a widow's peak and specific hairline features useful for designing hair restoration surgery.
10 citations
,
May 2012 in “Journal of Plastic Reconstructive and Aesthetic Surgery” Beard hair can effectively hide hair transplant scars.
17 citations
,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
5 citations
,
January 2006 in “Indian Journal of Dermatology, Venereology and Leprology” Synthetic hairs are not recommended for use.
2 citations
,
December 2024 in “JAAD reviews.” Modifying grooming techniques and using treatments like chemical depilatories or laser hair removal can help manage Pseudofolliculitis barbae.
6 citations
,
May 2012 in “Clinical and experimental dermatology” Oral minoxidil can cause inflamed, ingrown hairs in the beard area.
4 citations
,
July 1979 in “Journal of the American Academy of Dermatology” The hair and oil glands react by changing structure when stressed.
96 citations
,
February 2002 in “Journal of the American Academy of Dermatology” Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.