The "sinuskissen" in cat hair follicles is mostly connective tissue, affecting fluid flow.
January 2026 in “Advances in health and disease” Iodine is crucial for health, environments affect heart rates, holistic health is important, pediatric health is reviewed, sinus septa complicate dental work, and new lipid carriers may improve hair loss treatments.
2 citations
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December 2017 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The conclusion is that a new method could improve the identification of autoimmune targets in alopecia areata, despite some limitations.
April 2018 in “Journal of Investigative Dermatology” Melanogenesis-related proteins may trigger immune responses in alopecia areata patients.
4 citations
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January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
2 citations
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June 2022 in “Northern Clinics of Istanbul” No clear link between pilonidal sinus disease and polycystic ovary syndrome was found.
208 citations
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December 2003 in “Journal of Investigative Dermatology” Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.
66 citations
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July 2015 in “Journal of Molecular Biology” The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.
36 citations
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April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.
34 citations
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December 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” Rat vibrissa follicles are useful for studying hair growth cycles, especially the transition from pro-anagen to anagen.
6 citations
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February 2014 in “Experimental Dermatology” Hair follicle regeneration is possible but challenging, especially in humans, due to the need for specific cells and a better understanding of how they signal growth.
1 citations
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January 2011 in “International Journal of Trichology” Hair follicle stem cells have significant potential for treating various disorders.
1 citations
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January 2008 in “Springer eBooks” Hair follicle stem cells can turn into many cell types and may help repair nerve damage and have other medical uses.
April 2026 in “Frontiers in Cell and Developmental Biology” Hair follicles in mice help detect and respond to germs.
50 citations
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August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
14 citations
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November 2020 in “International Journal of Biological Macromolecules” Mushroom-based scaffolds help heal skin wounds and regrow hair.
5 citations
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January 2012 in “International journal of trichology” A 2-year-old boy had no hair and unusual organ placement, and it's unclear if it's genetic or coincidental.
46 citations
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January 1991 in “Journal of Investigative Dermatology” Minoxidil works in liver and outer hair root sheath for hair growth.
November 2025 in “Frontiers in Oral Health” Accurate diagnosis and management of rare genian fistulas require combined clinical, radiologic, and histopathologic evaluations.
9 citations
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January 2010 in “Journal of the Korean Association of Oral and Maxillofacial Surgeons” Root apical papilla cells from wisdom teeth are best for bone therapies.
8 citations
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April 2018 in “Facial Plastic Surgery” Men and women have different hairline restoration needs, with natural design being more complex for women, and hairline changes being important for transgender individuals' transitions.
17 citations
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January 2010 in “International journal of trichology” A man experienced hair loss from radiotherapy, which can be temporary or permanent depending on radiation dose, with potential treatments available.
8 citations
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January 2009 in “Journal of pediatric endocrinology & metabolism/Journal of pediatric endocrinology and metabolism” A specific thyroid hormone resistance mutation may be linked to different types of hair loss.
2 citations
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September 2016 in “Drug and therapeutics bulletin” Treating hidradenitis suppurativa needs long-term care and teamwork among doctors, but there's a lack of strong guidance on how to do it.
March 2024 in “Authorea (Authorea)” Using lyopreserved umbilical tissue allograft may improve healing and reduce recurrence of pilonidal cysts.
September 2023 in “Acta dermato-venereologica” Pilonidal sinus disease is linked to more severe hidradenitis suppurativa.
January 2018 in “Springer eBooks” Hidradenitis Suppurativa is likely an autoinflammatory disease, and better understanding its causes could improve treatments.
The man has Temporal Triangular Alopecia, a stable, non-scarring hair loss condition best treated with hair transplantation.
38 citations
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October 2006 in “Fertility and Sterility” The document concludes that identifying the cause of amenorrhea is crucial for proper treatment.
30 citations
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July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.