research New Aspects of the Structure of Human Scalp Hair-II: Tubular Structure and Material Flow Property of the Medulla
The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
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330-360 / 1000+ resultsresearch Absence of H2O2 Breakdown in Human Hair Medulla: Implications in Follicular Melanogenesis
Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.
research Nanoindentation of Hair Cortex and Medulla Regions
research FoxN1 in K14 Promoter-Driven Epithelium Is Required for Generation and Maintenance of 3D-Thymus Medulla and Preventing Nude Phenotype in the Skin
FoxN1 gene is crucial for proper thymus structure and normal skin appearance.
research A Study of the Differentiation Products of the Hair Follicle Cells with the Electron Microscope
Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
research Hard X-Ray Microscopic Images of the Human Hair
High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
research Ultrastructural Characteristics of Neonate Scalp Hair
Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.
research Hair Morphology in Androgenetic Alopecia
Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.
research Measuring Changes in Chemistry, Composition, and Molecular Structure Within Hair Fibers by Infrared and Raman Spectroscopic Imaging
Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
research Evidence for Various Calcium Sites in Human Hair Shaft Revealed by Sub-Micrometer X-Ray Fluorescence
The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
research Cosmetic Assessment of Human Hair by Confocal Microscopy
Confocal microscopy is better than scanning electron microscopy for studying hair in its natural state and understanding hair products' effects.
research Characterization of the Proteins of Guinea-Pig Hair and Hair-Follicle Tissue
Guinea-pig hair and follicle proteins are mostly similar, but follicles have more group 2 proteins and fewer group 3 and 4 proteins.
research Influence of Oxidative and Reductive Treatment on Human Hair: Analysis of Hair Damage
Chemical treatments and daily stresses damage hair, especially the cuticle layer.
research Morphology and Ultrastructure of Antler Velvet Hair and Body Hair from Red Deer (Cervus elaphus)
Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
research Bubble Hair
Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
research Cross-Linked Features of Mouse Pelage Hair Resistant to Detergent Extraction
Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
research Lipid Losses and Barrier Function Modifications of the Brown-to-White Hair Transition
White hair has less lipid content and absorbs water differently than brown hair.
research Secondary Structure Estimation and Properties Analysis of Stretched Asian and Caucasian Hair
Stretching damages Caucasian hair's structure more easily than Asian hair.
research Fundamental Studies on the Interaction Between Moisture and Textiles. Part X. Moisture Sorption Properties of Wool and Hair Fibers
Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
research A Systematic Review on the Lipid Composition of Human Hair
Lipids are crucial for healthy hair, protecting it from damage and breakage.
research Accumulations of Calcium and Phosphorus in the Core of Hairs from Taklamakan Desert Mummies
Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
research Optical Coherence Tomography to Evaluate the Effects of Oxidative Hair Dye on the Fiber
Oxidative hair dye changes hair color and structure but doesn't weaken it.
research A Sensitive Assay for the Enzyme Activity in Hair Follicles and Epidermis That Catalyzes the Peptidyl-Arginine-Citrulline Post-Translational Modification
A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
research Effect of Age and Sex on Fiber and Follicle Characteristics of an Iranian Native Sheep
As sheep age, their hair fibers and follicles grow larger and more organized, with no significant differences between males and females.
research Non-Invasive Evaluation of Hair Interior Morphology by X-Ray Microscope
X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.
research Formation and Characterization of Hollow Microtubes by Thermal Treatment of Human Hair
Heating human hair creates hollow microtubes with smooth surfaces.
research Hair: Overview
The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
research Microscopic Identification of the Remnant Hair or Feather of Five Animal Drug Components in Shenrongbian Pill
The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.
research Hair
Hair analysis can detect drug use but is costly and interpretation is complex.
research Microanatomical Observations of Hair Characteristics of Red Fox (Vulpes Vulpes), Golden Jackal (Canis Aureus), and Gray Wolf (Canis Lupus): A Comparative Study
Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.