research Catagen in the hairless house mouse
Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
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research Morphological and morphometric study of the androgenetic alopecic scalp using two- and three-dimensional analysis comparing regional differences
The study found that balding scalps have more thin hairs and larger oil glands, which might contribute to skin conditions related to hair loss.
research Acquired morphological changes of mammalian hair scales
Mammalian hair scales change from smooth to wavy due to friction.
research 2P546 Structural Analysis of Curly and Straight Human Hair Fibers by Scanning Microbeam SAXS(52. Bio-imaging,Poster Session,Abstract,Meeting Program of EABS & BSJ 2006)
Curly and straight hair differ in how their internal fibers are arranged.
research Comparative Evaluation of Hair Density and Grouped Hair Unit Pattern between Androgenetic Alopecia and Normal Scalp
People with androgenetic alopecia (AGA) have lower hair density and more single-hair units compared to those with normal scalps.
research The failure behavior of the anchorage of hairs during slow extraction
Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
research Human hair form. Morphology revealed by light and scanning electron microscopy and computer aided three-dimensional reconstruction.
Hair follicle shape determines hair type: curly, straight, or in-between.
research Variations of scalp, pubic and axillary hair
Pubic hair is thicker than axillary and scalp hair, useful for forensic identification.
research Uncombable hair (pili trianguli et Canaliculi): Evidence for dominant inheritance with complete penetrance based on scanning electron microscopy
Uncombable hair is inherited dominantly with complete penetrance.
research Hair curvature: a natural dialectic and review
The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
research Hair cycle and dermic follicular volume of the wild rodent, agouti (Dasyprocta prymnolopha), raised in captivity, in the northeast region of Brazil
Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
research Using Angulation of Implanters at 45 Degrees to the Scalp with the Bevel Facing toward the Skin to Enhance Follicular Entry at Minimal Pressure: A Randomized Clinical Trial in Hair Transplantation
Using a 45-degree angle for hair transplants improves efficiency and results.
research Structural interspecies variability of mammals' hairs
Mammal hairs have different internal structures.
research Characterization of curved hair of Japanese women with reference to internal structures and amino acid composition.
Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
research Recipient Area Hair Direction and Angle in Hair Transplanting
Dr. Walter P. Unger suggests that copying a person's natural hair direction and angle during transplants leads to a more natural and fuller appearance.
research Epithelial skirt and bulge of human facial vellus hair follicles and and associated Merkel cell-nerve complex
Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
research Monilethrix: an ultrastructural study
Monilethrix hair issues are due to problems in the hair's internodes.
research INTRODUCING THEORY LINKING GENESIS OF HAIR SHAFT BIPOLARITY WITH ARRECTOR PILI MUSCLE PROXIMAL ATTACHMENT
The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.
research Acquired progressive kinking of hair affecting the scalp and eyelashes in an adult woman
A woman developed rare, unexplained curly hair on her scalp and eyelashes.
research Fine Structure of Perifollicular Nerve Endings in Human Hair
research Acquired Progressive Kinking of Hair
Acquired Progressive Kinking of Hair is likely an early sign of male pattern baldness.
research A case of localized uncombable hair syndrome
A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
research Recipient Area Hair Direction and Angle in Hair Transplanting
The paper concludes that copying the natural direction and angle of hair in transplants is key for a natural look and doesn't harm hair survival.
research A Hairy Paradox: Congenital Triangular Alopecia with a Central Hair Tuft
Some people with congenital triangular alopecia have a central tuft of hair in the bald patch, but the cause is unknown.
research Coudability hairs: a revisited sign of alopecia areata assessed by trichoscopy
Coudability hairs are useful markers for alopecia areata activity.
research Nanoindentation of Hair Cortex and Medulla Regions
research When whorls collide: the development of hair patterns in frizzled 6 mutant mice
Hair follicles in mutant mice self-organize into ordered patterns within a week.
research ‘Follicular Swiss cheese’ pattern - another histopathologic clue to alopecia areata
Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
research Hair Shaft Abnormalities. Pili Bifurcati: A Scanning Electron Microscopy Analysis
The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
research Circle hairs involving the extremities in a young girl
Circle hairs are harmless, spiral-shaped body hairs that don't need medical treatment.