November 2019 in “Journal of Vertebrate Biology” QIA-64 software can measure straight wire lengths accurately but needs improvement for curved wires and width measurements.
23 citations
,
June 2010 in “Journal of Investigative Dermatology” A mutation in the Soat1 gene causes hair structure defects and other health issues in AKR/J mice.
52 citations
,
January 2016 in “Sexual Development” Both genetic and hormonal factors are crucial for bird sex differentiation, and disturbances can cause sex reversal.
Nonlinear artificial neural networks are better at identifying different types of animal hair than linear ones.
3 citations
,
January 2008 in “Endocrine journal” A new mutation linked to partial Androgen Insensitivity Syndrome and prostate cancer was found in a patient unhappy with their female gender assignment.
18 citations
,
July 2019 in “Clinical Endocrinology” Women with PCOS in Sicily show different levels of metabolic problems depending on their PCOS type, with obesity and abnormal lipid profiles being common.
15 citations
,
March 1987 in “Phycologia” Phosphorus limitation causes significant hair growth in certain algae.
53 citations
,
September 2014 in “Reproductive Biology and Endocrinology” Different types of PCOS have different levels of metabolic problems, with the most severe type showing the highest disturbances.
June 2025 in “Research Square (Research Square)” HAIR-AN syndrome mainly affects obese women and can be improved with early diagnosis and treatment using insulin-sensitizing agents.
October 2023 in “The American Journal of Gastroenterology” Cronkhite-Canada syndrome is rare, with high mortality and cancer risk, needing more research for treatment guidelines.
4 citations
,
August 2017 in “Journal of Cosmetic Dermatology” Finger length ratio may indicate male hair loss.
8 citations
,
July 2015 in “International Journal of Dermatology” A new DSG4 gene mutation causes hair defects in a young girl.
3 citations
,
March 2025 in “Science Advances” A specific DNA duplication in Polish chickens affects feather shape by altering gene expression.
56 citations
,
June 2010 in “Clinical and experimental dermatology” Coudability hairs are useful markers for alopecia areata activity.
8 citations
,
October 2011 in “Anthropologischer Anzeiger” Pubic hair is thicker than axillary and scalp hair, useful for forensic identification.
January 2011 in “International Journal of Trichology” The document concludes that doctors should recognize congenital triangular alopecia to avoid unnecessary treatments, as it does not respond to steroids like alopecia areata does.
2 citations
,
January 2024 in “BioMed Research International” Patients with alopecia areata and eosinophilia have more nail issues and severe hair loss.
April 2024 in “Anais Brasileiros de Dermatologia”
29 citations
,
October 2012 in “Anais Brasileiros De Dermatologia” Diagnosing hair loss disorders needs clinical, dermoscopic, and histological differences, and checking menstrual cycle, weight changes, drug therapy, and nail changes.
11 citations
,
November 1966 in “Experimental Biology and Medicine” Hair diameter can indicate protein status in malnourished children if sample location is controlled.
5 citations
,
January 2018 in “Skin Research and Technology” TrichoScan needs optimization as it underestimated hair density by 38.9% compared to manual counting.
January 2020 in “AYBU AVESIS” No significant differences in finger ratios or autism scores were found between acne patients and healthy individuals.
1 citations
,
July 2025 in “Indian Dermatology Online Journal” Certain hair and scalp features indicate a worse outcome in alopecia areata.
December 2022 in “Laboratory Animal Research” Trichoblastomas in aged house musk shrews show unique features and may involve serum amyloid A in inflammation.
February 2026 in “Small Ruminant Research” The IRF2BP2 gene affects sheep fleece quality by influencing fiber traits.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
18 citations
,
April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
21 citations
,
November 1980 in “PubMed” A new mite species was found in California sea lions, causing skin issues.
January 2010 in “Chinese Journal of Dermatovenereology of Integrated Traditional and Western Medicine” A unique gene mutation was found in a family with monilethrix.
January 2026 in “JCEM Case Reports” Genetics may play a significant role in gender dysphoria.