8 citations
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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.
2 citations
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January 2002 in “Zhiwu Yanjiu” Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
10 citations
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November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
20 citations
,
September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
59 citations
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August 1981 in “PubMed” Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
12 citations
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September 1990 in “The Anatomical Record” Human anagen hair follicles have unique carbohydrate patterns during keratinization.
5 citations
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October 2020 in “Experimental dermatology” A specific type of skin cell creates an opening for hair to grow out, and problems with this process can lead to skin conditions.
27 citations
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May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
4 citations
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November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
141 citations
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June 2002 in “Philosophical Transactions of the Royal Society B Biological Sciences” The study revealed how specific genes and proteins control root hair growth in plants.
9 citations
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July 2008 in “Archives of Dermatological Research”
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
The inner root sheath in hair follicles plays a key role in hair growth and health.
64 citations
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April 1992 in “Differentiation” Sciellin is a protein that helps form protective layers in skin, hair, and nails.
9 citations
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December 2011 in “Potravinarstvo Slovak Journal of Food Sciences” Different jujube genotypes have varying sizes, colors, and tastes, with potential for growth in Slovakia.
1 citations
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October 2015 in “The Pharma Innovation Journal” The best way to make a topical treatment for hair loss is to mix Saw Palmetto extract with 48% ethanol at the end of making the lotion.
28 citations
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May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
352 citations
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August 2003 in “Proceedings of the National Academy of Sciences” Nestin is found in hair follicle progenitor cells, linking them to neural stem cells.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
1 citations
,
April 2025 in “BMC Veterinary Research” PSAT1 is key for hair growth and stem cell function in cashmere goats.
26 citations
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August 2007 in “Annals of Anatomy - Anatomischer Anzeiger” Feathers become harder as they develop due to a change in keratin type.
12 citations
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April 2015 in “BMC research notes” Root hairs in cereal crops can grow beyond the usual zone, and using Turface® clay helps study this.
July 2023 in “New phytologist” The BUZZ gene is important for root hair growth and overall root structure in the plant Brachypodium distachyon.
13 citations
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February 2007 in “Biotechnology and Bioprocess Engineering” 1 citations
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January 2004 in “Adelaide Research & Scholarship (AR&S) (University of Adelaide)” SPARC likely aids in tissue remodeling during the hair cycle, not in starting new hair growth phases.
11 citations
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January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
6 citations
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January 2019 in “Biochemical and Biophysical Research Communications” Sox13 is a useful marker for early hair follicle development but not essential for hair growth.
3 citations
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May 2025 in “Plant Cell & Environment” CLE14 peptide promotes root hair growth in Arabidopsis.