The arrector pili muscle plays a key role in hair loss in androgenetic alopecia.
September 2023 in “Skin Research and Technology” The paper suggests a way to diagnose male hair loss and check treatment results using a dermoscope at four specific scalp points.
December 2019 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Donkey and horse hair have different microscopic structures, which can help tell them apart.
May 2015 in “Hair transplant forum international” Androgenetic alopecia causes hair loss by shrinking hair follicles due to androgens, with the connection between the muscle and hair follicle determining if the loss is reversible.
7 citations
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April 2000 in “Mammalian Genome” A new mutation in mice causes crooked whiskers and messy hair.
Asian patients show different trichoscopy features compared to Caucasians, like thicker hair and different alopecia signs.
January 2015 in “프로그램북(구 초록집)” Trichoscopy effectively diagnoses and assesses hair loss severity in androgenetic alopecia and alopecia areata.
TGF-β1 and 2 in hair follicles may be linked to hair loss in AGA.
January 2020 in “Medpulse International Journal of General Medicine” Trichoscopy helps diagnose and monitor hair loss, showing different signs at various stages of hair thinning.
10 citations
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December 2021 in “Frontiers in cell and developmental biology” The research identified genes that explain why some sheep have curly wool and others have straight wool.
20 citations
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December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
38 citations
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June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.
Hair feels different when touched and rubs together in various ways.
15 citations
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February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
3 citations
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January 2021 in “Medicinski arhiv” Trichoscopy, a hair loss evaluation technique, found that people with Androgenetic Alopecia have more thin hairs, yellow dots, and perifollicular discoloration than healthy individuals.
578 citations
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April 1993 in “Cell” TGFα gene mutation in mice causes abnormal skin, wavy hair, curly whiskers, and sometimes eye inflammation.
November 2022 in “Research Square (Research Square)” Seasonal changes affect hair growth genes in Angora goats, possibly influencing mohair quality.
2 citations
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April 2018 in “Journal of Cosmetic Dermatology” Tumescent fluid increases scalp hair angles, which may improve hair transplant results and reduce surgeon fatigue.
19 citations
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December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
February 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Rodent spiny hair traits are due to genetic factors other than the Edar gene.
The "sinuskissen" in cat hair follicles is mostly connective tissue, affecting fluid flow.
March 2021 in “CRC Press eBooks” The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.
9 citations
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September 2016 in “Plastic and reconstructive surgery. Global open” The curved nonrotary punch is better for hair extraction in people with tightly curled hair.
56 citations
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January 1970 in “Cell and Tissue Research”
2 citations
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March 2022 in “Research Square (Research Square)” Seasonal changes affect gene activity linked to hair growth in Angora goats, influencing mohair quality.
2 citations
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August 1993 in “Archives of Dermatology” A 39-year-old woman developed uncombable hair syndrome after taking oral contraceptives.
1 citations
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April 2021 in “Clinical, Cosmetic and Investigational Dermatology” Conflicting findings in androgenic alopecia are likely due to biopsy location, hair diameter diversity, and hair follicle miniaturization.
1 citations
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March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
2 citations
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May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
4 citations
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June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.