11 citations
,
May 2010 in “Pigment Cell & Melanoma Research” Two genes, Tabby and Ticked, determine cat coat patterns.
33 citations
,
October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
26 citations
,
August 1971 in “Journal of Morphology” Lizards can regrow their tail scales with the same structure, distribution, and gender-specific features as the original ones, and this unique ability is not seen in adult mammals.
7 citations
,
January 2020 in “Skin Pharmacology and Physiology” Standard nail varnish effectively prevents follicular penetration of certain substances.
16 citations
,
March 2021 in “EvoDevo” Different species use the same genes for tooth regeneration.
69 citations
,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
February 2023 in “Laboratory Animal Research” Cudrania tricuspidata and Sargassum fusiforme extracts improved hair growth in mice by affecting growth-related genes.
36 citations
,
February 1998 in “Journal of Anatomy” Fibre optic confocal imaging can visualize skin layers, blood vessels, and nerves in live mice.
1 citations
,
January 2014 in “Aesthetic Plastic Surgery” Tattooing improves appearance of scalp alopecia and scars.
43 citations
,
July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
158 citations
,
January 2009 in “The International Journal of Developmental Biology” Reptile scales help us understand the evolution of skin features like hair and feathers.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Deleting the Hoxc13 gene in frogs shows its crucial role in developing skin structures similar to hair.
6 citations
,
April 2025 in “Food Bioscience” Fish scale collagen peptide speeds up wound healing effectively.
July 2024 in “Journal of Investigative Dermatology” Cell movements and forces shape feather growth in chicken skin.
Dark hair with a red beard likely evolved for camouflage, not attraction.
22 citations
,
December 2016 in “PloS one” A specific protein in chicken embryos links early skin layers to feather development.
1 citations
,
October 2025 in “Scientific Reports” Mandarin duck sail feathers change with seasons due to hormones and genetic regulation.
October 2022 in “Amplla Editora eBooks” Tilapia skin helps heal skin injuries faster and cheaper.
April 2026 in “Communications Biology” The development of breeding tubercles in male zebrafish relies on a specific enzyme that processes hormones.
May 2026 in “The EMBO Journal” Feather follicles form through specific cellular flows and mechanical changes in the skin.
2 citations
,
January 1987 in “Acta Agriculturae Scandinavica” Certain chelators lighten mink skin and hair, increase skin elasticity, and disrupt hair growth without affecting fur quality.
October 2025 in “HAL (Le Centre pour la Communication Scientifique Directe)” Variegated coat color in cats is linked to the Silver locus.
5 citations
,
June 2015 in “Journal of Investigative Dermatology” Feathers are useful for researching growth, regeneration, and the effects of treatments like chemotherapy on hair loss.
7 citations
,
January 1992 in “Acta Histochemica” Porcine and human pilosebaceous units are very similar.
9 citations
,
July 2019 in “Folia Morphologica” Brandt's hedgehog has thick skin on its back and many glands near its nostrils.
8 citations
,
April 2012 in “Laser Physics Letters” Antiseptic particles penetrate deeper into hair follicles than non-antiseptic ones.
Cellular flows and tissue mechanics guide feather follicle formation in birds.
The "sinuskissen" in cat hair follicles is mostly connective tissue, affecting fluid flow.
January 2019 in “Dermatologic Surgery” August 1994 in “Journal of Dermatological Science”