5 citations,
January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
46 citations,
December 2003 in “Advances in neonatal care” Assessing newborn scalp hair can reveal important health information.
2 citations,
August 2023 in “Development” Hair follicles in the back of the rosette fancy mouse have reversed orientations due to a gene mutation.
29 citations,
September 1989 in “Journal of The American Academy of Dermatology” Abnormal scalp whorls can indicate brain development issues but may also be seen in neurologically normal people.
33 citations,
June 2017 in “Developmental Biology” Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.
57 citations,
November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
7 citations,
October 2018 in “Journal of Craniofacial Surgery” About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
25 citations,
September 2006 in “Birth Defects Research” Different processes create patterns in skin and things like hair and feathers.
1 citations,
October 2020 in “PubMed” Hormone testing may not be very helpful in diagnosing female pattern hair loss.
18 citations,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin patterns are formed by simple reaction-diffusion mechanisms.
1 citations,
December 2015 in “Dermatologic Surgery” Double trichophytic closure effectively treats thin scalp scars and reduces patient costs.
49 citations,
January 2003 in “American Journal of Clinical Dermatology” Effective management of children's hair loss involves accurate diagnosis, various treatments, and supportive care.
18 citations,
July 2003 in “Dermatologic Surgery” The conclusion is that creating natural-looking hair restoration requires replicating natural scalp whorl patterns and inserting grafts at specific angles.
August 2003 in “Dermatologic Surgery” Craig Ziering created a system to classify scalp hair patterns, important for improving hair restoration surgery results.
55 citations,
November 2010 in “Development” Hair follicles in mutant mice self-organize into ordered patterns within a week.
16 citations,
January 1995 in “Dermatology” The treatment for alopecia areata with diphenylcyclopropenone was unsuccessful.
14 citations,
May 2014 in “Archives of plastic surgery” The position of the parietal whorl can predict safe donor areas for hair transplants in Korean men with male pattern baldness.
4 citations,
April 2016 in “Plastic and reconstructive surgery. Global open” Scalp medical tattooing effectively camouflages bifid parietal whorls.
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.
127 citations,
December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
52 citations,
October 2012 in “Journal of Dermatological Science” The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.
46 citations,
March 2015 in “Regeneration” Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.
34 citations,
August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
29 citations,
February 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Loss of Fz6 disrupts hair follicle and associated structures' orientation.
23 citations,
March 2010 in “Medical hypotheses” Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
16 citations,
February 2014 in “Journal of Investigative Dermatology” Researchers developed a mouse model that tracks hair growth using bioluminescence, improving accuracy in studying hair cycles.
13 citations,
September 2016 in “Cosmetics” Hair care cosmetics affect hair health; know products, ingredients, and procedures.
13 citations,
May 2004 in “Facial Plastic Surgery Clinics of North America” Surgeons need to understand natural hair patterns for better hair restoration results.
13 citations,
September 2002 in “Dermatologic Surgery” Effective repair of bad hair transplants requires skilled techniques and careful use of donor hair, with strategies like reimplantation and camouflage, and new methods to minimize scarring.