36 citations
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July 1988 in “Archives of Dermatological Research” Pili annulati is caused by a protein metabolism disorder affecting hair structure.
11 citations
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April 1993 in “PubMed” Human hair cells can change based on their environment, especially interactions with certain skin cells.
March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.
September 2021 in “CRC Press eBooks” Traumatic alopecia causes hair loss from pulling or rubbing, leading to broken hairs and changes in the scalp.
5 citations
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March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
34 citations
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August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
January 1997 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The hair follicle's connection to connective tissue is weaker than the skin's.
30 citations
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July 1993 in “Journal of Investigative Dermatology”
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August 2017 in “Journal of comparative pathology” Trichoblastomas in rabbits are linked to uncontrolled embryonic hair growth and have distinct histological features.
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January 2020 in “Postepy Dermatologii I Alergologii” Trichoscopy is useful for diagnosing hair-pulling disorder.
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.
29 citations
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July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
January 2025 in “International Journal of Trichology” Trichotillomania can occur in unusual patterns and sites, highlighting the need for awareness and treatment options.
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January 1999 in “British Journal of Dermatology” Trichoblastic fibroma and basal cell carcinoma are similar but different from trichoepithelioma.
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October 2020 in “Clinical Psychopharmacology and Neuroscience” rTMS may help treat trichotillomania in some patients.
13 citations
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January 2002 in “Biological chemistry” Different conditions affect how hair proteins assemble, and certain mutations can change their structure.
14 citations
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February 2020 in “Scientific reports” Telocytes in the scalp may help with skin regeneration and maintenance.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
3 citations
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March 2013 in “American Journal of Dermatopathology” Ossification in trichilemmal cysts is more common than previously believed.
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July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
80 citations
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June 2002 in “Molecular Biology of the Cell” Type II keratins are uniquely phosphorylated during stress and mitosis, affecting their structure and function.
3 citations
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January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.
February 2019 in “PubMed” The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
42 citations
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July 1993 in “Journal of Investigative Dermatology”
4 citations
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March 2015 in “Skin Research and Technology” Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.
3 citations
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August 2025 in “Cell” Fibroblast bioelectric signaling can promote hair growth and may help treat hair loss.
4 citations
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April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
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June 2018 in “JAMA Dermatology” Trichoscopy is useful for diagnosing and monitoring hair and scalp conditions over time.
34 citations
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December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.