January 2015 in “Nasza Dermatologia Online” Monilethrix causes fragile, patchy hair loss.
8 citations
,
October 2024 in “Developmental Cell”
19 citations
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August 2013 in “Facial Plastic Surgery Clinics of North America” Children's hairlines change shape as they grow, with women often developing a widow's peak and men's hairlines becoming more convex and possibly balding at the temples, influenced by genetics and hormones.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
12 citations
,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
1 citations
,
April 2023 in “Animals” Wnt and BMP pathways stimulate hair growth in Min pigs, with Wnt being more effective.
Polarized microscopy helps identify hair irregularities in genetic disorders.
May 2026 in “Theranostics” 23 citations
,
October 2008 in “Experimental and Clinical Endocrinology & Diabetes” Hair can show increased cortisol levels during late pregnancy.
29 citations
,
August 2011 in “PubMed” Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
17 citations
,
May 1969 in “American Journal of Physical Anthropology” The silver marmoset's skin is thin, lacks pigment cells, and has unique features like keratinized spines and specialized glands.
4 citations
,
July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
100 citations
,
June 2006 in “British Journal of Dermatology” Hair loss severity relates to increased miniaturization in female pattern hair loss.
1 citations
,
January 2020 in “Indian Dermatology Online Journal” Pigtail hair is a sign of new hair growth and should be recognized in hair loss conditions like acute telogen effluvium.
28 citations
,
September 1995 in “Biochemistry and Cell Biology” Merkel cells are more densely found in hairless skin areas like palms and soles.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
7 citations
,
September 1980 in “Zoological Journal of the Linnean Society” Dendritic cells help regulate skin development and hair growth in mice.
7 citations
,
October 2018 in “Journal of Craniofacial Surgery” About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
1 citations
,
October 2012 in “The Journal of Dermatology” A Korean girl developed kinky hair without known cause or effective treatment.
32 citations
,
January 2000 in “Human Heredity” Monilethrix severity varies and may be influenced by other genetic or environmental factors.
12 citations
,
January 2013 in “Acta Histochemica” Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.
44 citations
,
August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
January 2026 in “Forum Dermatologicum” Thorough hair examination is crucial for accurate diagnosis and treatment.
September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
949 citations
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January 2001 in “Cell” Adult mouse skin contains stem cells that can create new hair, skin, and oil glands.
April 2026 in “International Journal of Biological Macromolecules”
October 2023 in “Ho Chi Minh City Open University Journal of Science - Engineering and Technology” Human hair follicle cells have specific features.
12 citations
,
December 2011 18 citations
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July 2012 in “Cell Biology International Reports” Human mesenchymal stem cells can become dermal papilla cells, aiding hair growth.
6 citations
,
January 2008 in “Indian Journal of Dermatology” Monilethrix, a genetic hair disorder causing fragile hair, affects three generations in a family.