April 2020 in “Journal of the Endocrine Society” A rare ovarian tumor caused high male hormone levels, but surgery fixed it.
30 citations
,
December 2017 in “Clinical, Cosmetic and Investigational Dermatology” Parietal scalp area has lower hair density and smaller hair diameter in women with hair loss.
2 citations
,
May 2018 in “Dermatologic Surgery”
February 2021 in “Endocrinology, diabetes & metabolism case reports” A postmenopausal woman's excessive hair growth and hair loss were due to a non-cancerous ovarian condition, treated successfully with surgery.
35 citations
,
January 2000 in “Journal of comparative neurology” Rat vibrissae have sensory terminals with specific structures that help detect hair movements.
6 citations
,
January 1994 in “Skin Pharmacology and Physiology” Dermal papillae are crucial for hair growth and follicle development.
2 citations
,
May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
Understanding hair follicle communication can help treat hair loss.
A 70-year-old man with skin cancer on both sides of his forehead was treated with surgery and cryotherapy, highlighting the need for early detection and prevention.
57 citations
,
July 2005 in “Clinics in Plastic Surgery” Reconstruct lips with proper planning, templates, and revisions for appearance and function.
33 citations
,
November 2006 in “Survey of Ophthalmology” Madarosis is the loss of eyelashes and eyebrows due to various health issues and requires thorough examination to diagnose and treat the underlying cause.
January 2026 in “Cosmetics” The fermented solution from Platycladus orientalis leaves may boost hair growth and reduce inflammation.
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
December 2010 in “HAL (Le Centre pour la Communication Scientifique Directe)” The cornea develops independently of the lens, following its own default pathway.
June 2025 in “Reports of Vinnytsia National Medical University” Men with alopecia areata tend to have larger limb and trunk circumferences than healthy men.
1 citations
,
March 2024 in “Ophthalmic Plastic and Reconstructive Surgery” A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
10 citations
,
November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
A six-year-old girl with extra hair on her elbows was treated with hair removal methods.
36 citations
,
January 2012 in “International Journal of Trichology” Losing eyelashes or eyebrows can be a sign of many different health problems and needs a careful approach to treat effectively.
March 2025 in “Journal of Craniofacial Surgery” Natural hairline asymmetry should be embraced for better-looking hair transplants.
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.
25 citations
,
October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
24 citations
,
January 2018 in “Development” Frizzled 3 and Frizzled 6 together control the orientation of mouse hair follicles.
A 73-year-old woman's unusual hair loss and growth led to the discovery of a rare condition causing too much testosterone, which improved after her ovaries were removed.
27 citations
,
October 2002 in “International Journal of Dermatology” Trichostasis spinulosa causes itchy bumps on young adults' skin.
May 2018 in “Dermatologic Surgery”
February 2023 in “Vlaams dierengeneeskundig tijdschrift” Two young cats with a severe ear and skin condition improved with immune system-targeting treatments.
1 citations
,
January 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Dicer is crucial for hair growth in mice.