October 2025 in “Folia Morphologica” Lymph vessels in airways vary by location, with the most in the upper pharynx and changes after birth.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
4 citations
,
May 2020 in “Journal of The American Academy of Dermatology” Cicatricial pattern hair loss is likely advanced common baldness, not a type of lichen planopilaris.
January 2002 in “Linchuang pifuke zazhi” A young woman had a rare scalp tumor usually found in older women.
18 citations
,
January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
12 citations
,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
7 citations
,
August 2012 in “The Journal of Urology” Women with congenital adrenal hyperplasia showed no prostatic growth.
July 2025 in “Indian Dermatology Online Journal” Trichotillomania incognita can mimic hair loss patterns and requires careful diagnosis to avoid misdiagnosis.
27 citations
,
June 1989 in “Journal of Medical Genetics” Hairy elbows may be linked to short stature, but the exact cause is unclear.
85 citations
,
October 2006 in “Current opinion in cell biology” Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.
3 citations
,
December 1990 in “Acta Medica et Biologica” January 2007 in “한국미용학회지” People with hair loss have smaller hair roots and less fat tissue.
35 citations
,
March 2010 in “British journal of dermatology/British journal of dermatology, Supplement” The study showed that mouse eyelashes can be used to study eyelash growth and that bimatoprost makes them longer and more numerous.
November 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Scientists made a mouse that shows how a specific protein in the skin changes and affects hair growth and shape.
19 citations
,
July 1997 in “British Journal of Dermatology” LHTric-1 is a specific antibody useful for studying hair and nail formation.
68 citations
,
April 2014 in “Journal of Investigative Dermatology” Trichohyalin-like proteins are essential for the development of skin structures like hair, nails, and feathers.
Fgf20 is crucial for hair follicle formation by influencing cell movement and growth.
31 citations
,
December 2010 in “Journal of the American Academy of Dermatology” Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
53 citations
,
April 1985 in “Developmental Biology” Fibronectin and other basement membrane components increase during hair growth and decrease during rest.
46 citations
,
April 2009 in “Journal of Dermatological Case Reports” Researchers established normal hair and scalp characteristics for healthy women using trichoscopy.
6 citations
,
July 2015 in “Journal of Investigative Dermatology” Chicken feather gene mutation helps understand human hair disorders.
October 2025 in “Dermatologic Surgery” Twisted hair follicles can survive transplantation as well as intact ones.
July 2021 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Monilethrix causes different levels of hair loss in family members.
107 citations
,
May 1999 in “Archives of Dermatological Research” Basal cell carcinoma may start from parts of tiny hair follicles.
26 citations
,
January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
98 citations
,
November 2017 in “Elsevier eBooks” Male accessory sex glands in rats rarely develop tumors and respond to hormones.
1 citations
,
January 1987 in “PubMed” Candida was found in most heroin users with folliculitis.
June 2026 in “EXPERIMENTAL & CLINICAL MEDICINE GEORGIA” Trichoscopy is useful for assessing androgenetic alopecia severity but can't determine hair loss stage alone.
8 citations
,
September 2016 in “The American Journal of Dermatopathology” Enlarged sweat gland ducts may indicate scarring hair loss.
5 citations
,
January 2015 in “Global Dermatology” Japanese females generally have longer, denser, and curlier eyelashes than males.