July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
70 citations
,
December 1968 in “Journal of Investigative Dermatology” February 1988 in “Journal of the American Academy of Dermatology” January 1997 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The hair follicle's connection to connective tissue is weaker than the skin's.
4 citations
,
August 2025 in “Journal of Food Science” Tremella fuciformis polysaccharide has many health benefits and potential uses in food, medicine, and cosmetics.
January 2011 in “Leather Science and Engineering” Processing changes Sichuan rabbit skin structure by altering collagen fiber arrangement and porosity.
11 citations
,
January 1981 in “Cells Tissues Organs” Human hair cuticle has five cell layers with specific junctions and granules.
13 citations
,
July 2017 in “Biopolymers” Recombinant keratins can form useful structures for medical applications, overcoming natural keratin limitations.
February 2020 in “Oxford University Press eBooks” The alpha-helix was confirmed as a key structure in proteins.
August 2025 in “Journal of Investigative Dermatology” Fibronectin is essential for hair follicle regeneration and may help rejuvenate aged skin.
19 citations
,
December 2006 in “Journal of Structural Biology” Type I and Type II keratin chains can form heterodimers despite sequence differences.
42 citations
,
September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
29 citations
,
July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
April 2023 in “Journal of Investigative Dermatology” The study suggests fibrosing alopecia in a pattern distribution has distinct features and may vary by race.
47 citations
,
April 1978 in “Journal of Cutaneous Pathology” Basal cell epithelioma resembles fetal hair follicles, not adult or fetal skin.
22 citations
,
November 2014 in “Proteins Structure Function and Bioinformatics” Cysteines in wool fibers are accessible and form important disulfide bonds.
28 citations
,
April 1988 in “Archives of Dermatological Research”
48 citations
,
May 1991 in “The journal of investigative dermatology/Journal of investigative dermatology” Trichohyalin is also found in the outer layers of normal human skin.
12 citations
,
January 2013 in “Acta Histochemica” Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.
Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.
January 2025 in “Nature Communications” Large-scale reconstructions enhance understanding of vibrissal sensory mapping in the brain.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
September 2001 in “Connective tissue” Type XII and XIV collagens help maintain hair follicle structure in bovine skin.
April 2025 in “Journal of Investigative Dermatology” Fibronectin is essential for hair follicle regeneration by supporting stem cells.
23 citations
,
January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
72 citations
,
November 2012 in “PloS one” The protein folliculin, involved in a rare disease, works with another protein to control how cells stick together and their organization, and changes in this interaction can lead to disease symptoms.
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.
90 citations
,
July 1993 in “Journal of Investigative Dermatology” August 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Different types of skin cells create unique support structures that can affect skin cell growth and could help in skin repair.
April 2024 in “Authorea (Authorea)” Understanding the nanoscale structure of skin fibrosis can improve knowledge of wound healing and tissue regeneration.