191 citations
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November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
19 citations
,
November 2014 in “Journal of Comparative Physiology A” Spider joint hair sensilla are adapted to sense movement during walking.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
Type II spiral ganglion neurites avoid high concentrations of laminin and fibronectin.
Mechanical stress causes ligament thickening through WISP-1 and Hedgehog signaling.
4 citations
,
April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
2 citations
,
May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
1 citations
,
May 2012 in “International Conference on Biomedical Engineering and Biotechnology” TGF-β receptor 1 helps deer antlers grow by aiding skin and cartilage cell growth.
50 citations
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March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
5 citations
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August 2005 in “Anatomy and Embryology” Rat skin has a linear system of nerve fibers linked to hair follicles and muscles.
2 citations
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May 2012 in “Acta pharmaceutica sinica B” The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.
49 citations
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January 1972 in “Biochimica et Biophysica Acta (BBA) - Protein Structure”
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
65 citations
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May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
25 citations
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August 2020 in “Experimental eye research/Experimental Eye Research” Different types of cells in the eye express specific keratins at various stages of development.
62 citations
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March 2017 in “Journal of Investigative Dermatology” Mutations in the ACTB gene cause Becker’s nevi and may lead to muscle issues in Becker’s nevus syndrome.
66 citations
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June 2004 in “Biophysical Journal” Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
14 citations
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July 2016 in “Anatomical Science International” The study suggests that the arrector pili muscle is important for hair health and its damage might contribute to hair loss.
22 citations
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February 2000 in “Journal of the American Academy of Dermatology” Eosinophils are not a reliable marker for diagnosing alopecia areata.
115 citations
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October 2003 in “Journal of Neuroscience” Aβ afferents do not sprout into the superficial spinal cord layers after nerve injury.
40 citations
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May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
January 2018 in “Indian Dermatology Online Journal” Trichoscopy can help tell the difference between artificial hair fibers and other scalp artifacts.
3 citations
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July 2019 in “Fibers And Polymers/Fibers and polymers”
1 citations
,
January 2006 Diagonal earlobe and preauricular creases may indicate higher coronary artery disease risk in men.
June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
24 citations
,
November 1978 in “Biochemistry” α-type filaments in guinea pig hair follicles have unique structural features.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
November 2021 in “International journal of research - granthaalayah” The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.
CaBP1 and CaBP2 are necessary for proper hearing and neurotransmission in the ear's inner hair cells.