207 citations
,
September 1973 in “Entomologia Experimentalis et Applicata” B-type hairs on female butterfly legs help them choose where to lay eggs.
29 citations
,
November 2011 in “Veterinary pathology” The study found that mouse sweat glands develop before birth, mature after birth, and have specific keratin patterns.
5 citations
,
January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
30 citations
,
January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
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.
33 citations
,
October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
January 2025 in “Animal Science Journal” Golden takin's hair structure is adapted to maintain body temperature in harsh winters.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
149 citations
,
July 2017 in “PLoS Biology” Hair follicle patterns form through a mix of self-organization and signaling interactions.
4 citations
,
July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
82 citations
,
January 2006 in “International review of cytology” Vertebrate skin evolved to be more specialized and complex, especially in land animals.
187 citations
,
May 1988 in “Differentiation” Trichocytic cytokeratins are found in hair, nails, tongue, and thymus cells, showing complex regulation in tissue development.
15 citations
,
May 2010 in “International Journal of Cosmetic Science” The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
29 citations
,
February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
11 citations
,
January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
June 2006 in “Experimental Dermatology” Understanding skin patterns can help us learn about skin diseases and their treatments.
11 citations
,
May 2010 in “Pigment Cell & Melanoma Research” Two genes, Tabby and Ticked, determine cat coat patterns.
1 citations
,
January 1992 in “Bangladesh Journal of Animal Science” Camel skin has typical mammalian layers, with hair follicles, glands, and muscles, varying by body area.
6 citations
,
October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
9 citations
,
July 2019 in “Folia Morphologica” Brandt's hedgehog has thick skin on its back and many glands near its nostrils.
103 citations
,
March 2011 in “PLoS Biology” Birds can lose neck feathers due to a genetic change that increases a gene's activity, helping them adapt to heat.
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.
2 citations
,
January 2002 in “Zhiwu Yanjiu” Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
23 citations
,
February 1993 in “Journal of Investigative Dermatology” 6 citations
,
February 2023 in “Genes” CUX1 boosts sheep hair cell growth and affects curl patterns.
24 citations
,
January 2018 in “Development” Frizzled 3 and Frizzled 6 together control the orientation of mouse hair follicles.
2 citations
,
May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
119 citations
,
January 2000 in “British Journal of Dermatology” Different parts of the nail express different keratins, showing unique patterns of differentiation.
12 citations
,
January 1994 in “PubMed” Elastic fiber arrangement in mammal skin varies by hair density and body region.