research Identification of reptilian genes encoding hair keratin-like proteins suggests a new scenario for the evolutionary origin of hair
Reptiles have genes similar to hair proteins, suggesting hair's genetic origins predate mammals.
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330-360 / 1000+ resultsresearch Why Mammal Body Hair Is an Evolutionary Enigma
The evolution of mammal body hair remains a mystery.
research Hair structure anatomy and comparative anatomy1 1Dedicated to the memory of the late Dr. R. E. Rivett whose untimely death prevented his role in co-authorship.
Human hair is complex and grows in cycles starting from embryonic life.
research Fine structure of marsupial hairs, with emphasis on trichohyalin and the structure of the inner root sheath
Marsupial hair structure and keratin distribution are similar to placental mammals.
research Complementary evolution of coding and noncoding sequence underlies mammalian hairlessness
Both gene and non-gene areas of DNA evolved to make some mammals hairless.
research Some electron microscope observations on hardening in the human hair follicle
The hair follicle structure is more complex than thought, with new findings on protein formation.
research Removal of Intact Hair Papilla and Connective Tissue Sheath by Plucking Anagen Hairs**From the Department of Dermatology of the University of Hamburg, Germany.
Plucking hairs in a certain way can result in intact hair roots, not related to baldness.
research Evolution of Trichocyte Keratins
Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.
research Human hair follicle cells of outer root sheath maintain their genuine keratin expression in vitro
research Editor's evaluation: Complementary evolution of coding and noncoding sequence underlies mammalian hairlessness
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
research Hair Medulla and its variations in Doshaja Prakruti – An observational study
Hair medulla patterns vary by Prakruti type, affecting hair strength.
research 840 Early and late matrix progenitors form the terminally differentiated cell layers of the hair follicle
Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
research Hair matrix germinative epidermal cells confer follicle-inducing capabilities on dermal sheath and high passage papilla cells
Hair growth can be stimulated by combining certain skin cells, which can rejuvenate old cells and cause them to specialize in hair follicle creation.
research LB1609 The evolutionary trajectory of primate skin appendage traits
Humans evolved to have less hair and more sweat glands than chimpanzees and macaques.
research Formation of surface membranes in developing mammalian hair fibres
Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
research The upper dermal sheath has a potential to regenerate the hair in the rat follicular epidermis
The upper dermal sheath can regenerate hair in rats.
research Hair morphogenesisin vitro: formation of hair structures suitable for implantation
Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.
research Mesenchyme governs hair follicle induction
The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.
research Phylogeny of the Hair Follicle: The Sebogenic Hypothesis
Hair follicles evolved from oil glands, with hair aiding secretion transport.
research Unruly hair
The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
research Human hair keratins
research Hair for brain trade-off, a metabolic bypass for encephalization
Human hair loss may have evolved to help increase brain size.
research Morphogenesis of the Hair Follicle during the Ontogeny of Human Skin
research 839 Spatiotemporal antagonism in mesenchymal-epithelial Signaling in sweat versus hair fate decision
Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
research Increased rate of hair keratin gene loss in the cetacean lineage
Cetaceans lost hair genes to adapt to water.
research Decision letter: Complementary evolution of coding and noncoding sequence underlies mammalian hairlessness
Hairless mammals evolved quickly in both gene and non-gene areas related to skin and hair.
research Hair—the most sophisticated biological composite material
Hair is a complex protein fiber with unique properties useful for developing hair products.
research Transcriptomic landscape of early hair follicle and epidermal development
Researchers identified new cell types and genes in early hair follicle development.
research Morphology and Properties of Hair
Hair is made of strong keratin fibers that protect against the environment.
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.