research Phylogeny of the Hair Follicle: The Sebogenic Hypothesis
Hair follicles evolved from oil glands, with hair aiding secretion transport.
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690-720 / 1000+ resultsresearch Ultrastructural localization of hair keratin homologs in the claw of the lizard Anolis carolinensis
Lizard claws have hair-like keratins similar to those in mammals.
research Internal structural changes in age‐related curved hair due to cyclical extension: An IR spectroscopy study
Age-related hair curvature increases due to internal structural changes from grooming.
research Continuous Dynamics of The Hair Follicle: Spiral Model for Understanding Follicular Activity Throughout Life
The Spiral Model helps understand hair growth changes with age and identify hair problems early.
research Vibrissa hair bulge houses two populations of skin epithelial stem cells distinct by their keratin profile
There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
research Mutations in the hair cortex keratin hHb6 cause the inherited hair disease monilethrix
research Update on detection, morphology and fragility in pili annulati in three kindreds
Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
research A novel method for visualizing hair lipids at the cell membrane complex: Argon sputter etching/scanning electron microscopy1
The method shows how hair lipids form specific patterns and their roles in hair structure.
research Expression pattern of human hair keratin basic 1 (hHbl) in hair follicle and pilomatricoma
hHbl gene is active in hair shaft cells and some pilomatricomas.
research Quasi-Static Torsional Deformation of Single Hair Fibers: Application of a Modeling Approach and Results from Cosmetic Treatments.
The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
research Acquired curved hair is caused by fusion of multiple hair matrix cells
Curved hair can develop when hair cells merge abnormally during growth.
research Pili Annulati with Multiple Fragile Hairs
Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
research The Proteins of Hair and Other Hard α-Keratins
research Coexisting trichorrhexis nodosa and pili annulati: a case report of hair shaft abnormalities in a syrian family
A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
research 555 Dermal single-cell atlas: a novel tool to explore fibroblast heterogeneity
A new tool helps study hair follicle cells to develop better treatments for hair disorders.
research Heterotypic cell contacts and basal lamina morphology during hair follicle development in the mouse: a light, scanning, and electron microscopic study at the site of tissue interaction
Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.
research Hair dysplasias
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
research Characterization of hair follicles in Hirosaki hairless rats with deletion of basic hair keratin genes : enlarged medulla, loss of cuticle and long catagen
research Integral characterization of normal and alopecic hair at different degeneration stages by in-situ visible and chemical imaging
Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
research Perspectives and Challenges of Hair Analysis
Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
research Premature termination of hair follicle morphogenesis and accelerated hair follicle cycling in Iasi congenital atrichia (fzica) mice points to fuzzy as a key element of hair cycle control
The fuzzy gene is crucial for controlling hair growth cycles.
research Biomechanics of hair fibre growth: A multi-scale modeling approach
The model shows that factors like follicle shape and stiffness are key for hair growth and anchoring.
research Outer root sheath keratinization in anagen and catagen of the mammalian hair follicle. A seventh distinct type of keratinization in the hair follicle: trichilemmal keratinization.
Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
research Pathogenesis of pili annulati
Pili annulati is caused by a protein metabolism disorder affecting hair structure.
research Three-dimensional architecture of macrofibrils in the human scalp hair cortex
Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.
research Fine structure and immunocytochemistry of monotreme hairs, with emphasis on the inner root sheath and trichohyalin‐based cornification during hair evolution
Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
research Investigation of differences in follicular penetration of particle-and nonparticle-containing emulsions by laser scanning microscopy
Particles similar in size to hair cells penetrate hair follicles better.
research Hair Keratin
research The Intermediate Filament Architecture as Determined by X-Ray Diffraction Modeling of Hard α-Keratin
Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
research Catagen in the hairless house mouse
Hairless mice have longer hair follicles and abnormal structures during the catagen phase.