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March 1991 in “Journal of Radioanalytical and Nuclear Chemistry” Manganese levels in hair may be linked to multiple sclerosis.
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April 2019 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
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January 2002 in “Biochemical and biophysical research communications” Interferon β from hair cells stops the growth of other hair cells.
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January 2014 in “Rinsho Shinkeigaku” Immunological treatment improved both neuropathy and alopecia.
September 2025 in “Animal Bioscience” Key genes and pathways affect wool fiber thickness, improving wool quality.
August 2024 in “Biophysics Reviews” Mammal hairs have different internal structures.
December 2023 in “Biological & pharmaceutical bulletin” IPM enhances skin penetration of hydrophilic drugs.
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July 2024 in “Skin Research and Technology” Patients with androgenetic alopecia have thinner subcutaneous fat layers in their frontal scalp compared to healthy individuals.
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January 2000 in “Journal of comparative neurology” Rat vibrissae have sensory terminals with specific structures that help detect hair movements.
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June 2017 in “Journal of Cutaneous Pathology” People with pemphigus vulgaris and pemphigus foliaceus often have smaller sebaceous glands on their scalp.
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July 2007 in “Skin research and technology” Thicker hair is stronger, regardless of age, gender, or other factors.
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March 2024 in “Frontiers in Bioengineering and Biotechnology” A detailed 3D model of human skin was created to help develop artificial skin.
April 2018 in “Journal of Investigative Dermatology” African spiny mice can regenerate skin and hair after wounds due to specific tissue mechanics.
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February 2013 in “Journal of Investigative Dermatology” Touch domes in human skin are complex sensory structures not directly linked to hair.
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October 2006 in “Journal of dermatology” X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.
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April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The skin has about 230,000 touch-sensitive nerve fibers, with high concentrations in the hands and face.
December 2022 in “The Turkish Journal of Pediatrics” Hair examination helps diagnose rare neurological diseases in children.
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October 2023 in “PROTOPLASMA” 9 citations
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October 1989 in “Australian Journal of Agricultural Research” Mouse epidermal growth factor temporarily stops wool growth and causes cell changes in Merino sheep.
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June 2004 in “Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences” Human hair becomes weaker and stretches more easily at higher temperatures.
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November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
Older women's scalp cells show changes that could contribute to hair thinning.
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May 2021 in “Nature communications” The skin's basement membrane has specialized structures and molecules for different tissue interactions, important for hair growth and attachment.
April 2023 in “Journal of Investigative Dermatology” Psoriasis patients did not show more brain atrophy or small vessel disease than controls, but longer psoriasis duration was linked to more brain atrophy.
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August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
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June 1988 in “Australian Journal of Biological Sciences” Mouse epidermal growth factor injections in sheep affected wool growth and skin, but saline did not.
April 2025 in “Journal of the Association for Research in Otolaryngology” NM2 and RLC phosphorylation are essential for normal inner ear hair cell function.
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January 2010 in “Dermatology Research and Practice” Desmosomes are crucial for human skin development, increasing in density as the skin matures.
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May 1994 in “Journal of Investigative Dermatology” 72 citations
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November 2002 in “Journal of Investigative Dermatology” Estrogen receptor α controls hair growth cycles and skin thickness in male mice.