9 citations
,
October 1995 in “Clinical Dysmorphology” The family has a unique form of ectodermal dysplasia similar to Clouston syndrome but with different hair and skin symptoms.
6 citations
,
January 2005 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The 16th-century mummy's hair was well-preserved due to a calcium surface coat.
4 citations
,
January 2000 Piedraia hortae fungi dissolve both the outer and inner layers of hair.
April 2026 in “Proceedings of the National Academy of Sciences” Tmem30b is essential for hearing by maintaining hair cell structure in the ear.
March 2026 in “International Journal of Advanced Biochemistry Research” German shepherd hair varies in color and pattern but is flat with a consistent internal structure.
December 2025 in “International Journal of Advanced Biochemistry Research” Malvi cattle hair varies in color and pattern across different body regions.
February 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” The gene Prss53 affects hair shape and bone development in rabbits.
10 citations
,
January 1980 in “Ultrastructural pathology” Green hair has high copper levels due to contaminated water and damaged hair cuticles.
1 citations
,
February 2020 in “International Surgery Journal” Medical students lack awareness of plastic surgery's full scope, and more education is needed.
May 2025 in “Oxford Academix (Oxford)” Dermatology trainees lack standardized guidelines and education for treating testosterone-induced skin conditions in transmasculine individuals.
April 2025 in “Biomedical Journal of Scientific & Technical Research” Medical education should use creative and reflective methods to enhance empathy and critical thinking.
15 citations
,
January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
20 citations
,
January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
19 citations
,
July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
8 citations
,
August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
49 citations
,
April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
30 citations
,
April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
8 citations
,
March 2018 in “Cosmetics” UV radiation damages hair by creating holes and peeling cuticle layers.
11 citations
,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
375 citations
,
June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
24 citations
,
July 2015 in “Biogeosciences” A fungus is essential for forming and shaping hair ice on dead wood.
6 citations
,
October 2006 in “International Journal of Dermatology” Hair splitting and nail detachment are linked conditions.
35 citations
,
September 1994 in “Journal of Investigative Dermatology” 26 citations
,
August 2007 in “Annals of Anatomy - Anatomischer Anzeiger” Feathers become harder as they develop due to a change in keratin type.
1 citations
,
June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
27 citations
,
February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.