January 2001 in “대한피부과학회지” Hormone levels in women with androgenetic alopecia are similar to those without the condition.
2 citations
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June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
4 citations
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November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
45 citations
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April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
8 citations
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July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
30 citations
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January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
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.
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.
50 citations
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January 1986 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.
41 citations
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January 2001 in “Journal of Investigative Dermatology” 26 citations
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January 1964 in “Experimental Cell Research” 2 citations
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February 2025 in “Poultry Science” TBX5 gene influences feathered feet in Guangxi chickens by affecting cell growth and movement.
5 citations
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January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
31 citations
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September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
129 citations
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October 2007 in “The New England Journal of Medicine” Over one-third of women experience hair loss, with female-pattern hair loss being most common, and treatments include minoxidil and possibly hair transplantation.
38 citations
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February 2016 in “Surgery Journal” Facial plastic surgery has evolved to focus on less invasive techniques and innovative technologies for cosmetic and reconstructive procedures.
11 citations
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January 2013 in “Ocular Surface” The document concludes that modern ocular cosmetics enhance beauty and eyelash health, with safe practices and regulations being important.
10 citations
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November 1997 in “British Journal of Dermatology” A 10-year-old boy had the earliest reported case of hair that became progressively kinkier but eventually returned to normal on its own.
8 citations
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January 2017 in “Fertility and Sterility” Urologic diseases and treatments in older men can negatively affect fertility, and doctors should talk to patients about this.
4 citations
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January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
4 citations
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July 2001 in “Personality and Individual Differences” Men with moderate hair loss had the best spatial thinking, and long-term DHT might affect cognition.
2 citations
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July 2008 in “Paediatrics & child health” Severe acne in a young girl may indicate underlying hormonal issues.
1 citations
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December 2017 in “Skin appendage disorders” Biotin may help women with hair loss who have low biotin levels, but more research is needed.
November 2022 in “Journal of the Endocrine Society” A boy with a new NR5A1 gene mutation has a sex development disorder without affecting his adrenal glands.
April 2020 in “Journal of the Endocrine Society” A patient with myotonic dystrophy had several autoimmune disorders and thyroid cancer, suggesting a possible link between these conditions.
January 2019 in “Pediatric Oncall” Sodium valproate can rarely cause curly hair in children.
May 2018 in “European Journal of Dermatology” Adjusting the medication tacrolimus resolved a boy's red nail beds after a stem cell transplant.