September 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Different fish use the same genes to regrow teeth.
47 citations
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July 2005 in “European Journal of Cell Biology” Terrestrial vertebrates have balanced keratin gene clusters, unlike teleost fish.
25 citations
,
August 2017 in “Frontiers in Zoology” Marine mammals lost many α-keratin genes, aiding their adaptation to aquatic life by becoming hairless.
50 citations
,
February 2013 in “BMC evolutionary biology” Cetaceans lost hair due to changes in the Hr and FGF5 genes.
8 citations
,
February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
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5 citations
,
January 2012 Infrared spectroscopy can analyze hair for forensic and medical insights.
January 2019 in “CLINICAL AND EXPERIMENTAL MORPHOLOGY”
June 2021 in “Journal of The American Academy of Dermatology” New scale reliably assesses male hair loss with female pattern.
February 2026 in “Australasian Journal of Dermatology” A new tool simplifies alopecia areata severity scoring but needs validation.
207 citations
,
September 1973 in “Entomologia Experimentalis et Applicata” B-type hairs on female butterfly legs help them choose where to lay eggs.
4 citations
,
July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
October 2012 in “Indian Journal of Dermatology, Venereology and Leprology” The modified Sinclair scale effectively measures hair loss severity in men.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
November 2024 in “Journal of Investigative Dermatology” Inherited ichthyosis negatively impacts quality of life, affecting daily activities, self-image, and reproductive decisions.
Polarized microscopy helps identify hair irregularities in genetic disorders.
August 2023 in “Skin Research and Technology” Measuring bald patch size can help grade hair loss severity, with photograph-based evaluation being more reliable.
87 citations
,
March 2014 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” Cholesterol sulfate buildup due to a genetic mutation disrupts the skin barrier, leading to the scaling skin seen in X-linked ichthyosis.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
December 2024 in “PLoS ONE” Alopecia in gray bats is most common and severe during lactation, likely due to stress and nutrition.
1 citations
,
January 2001 in “PubMed” Mechanoreceptors convert physical touch into electrical signals through specialized nerve structures.
March 2022 in “Journal of South Asian Association of Pediatric Dentistry” Dentists should start preventive treatments early for children with Ichthyosis Vulgaris to avoid dental problems.
3 citations
,
September 2016 in “Pediatric Dermatology” Hypertrichosis (excessive hair growth) can help diagnose superficial epidermolytic ichthyosis.
December 2024 in “Genome Biology and Evolution” Snakes and worm lizards lost claw proteins due to similar evolutionary changes.
August 2024 in “Microscopy Research and Technique” The study identifies the pheromone gland's location and structure in Endoclita vietnamensis, aiding future pest control methods.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
6 citations
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March 1998 in “Textile Research Journal” Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.
January 2023 in “International journal of biological sciences” COX2 and ATP synthase control the size of hedgehog spines.
February 2026 in “Journal of Cosmetic Dermatology” A new reliable scale improves accuracy in measuring hair density and treatment response.