research Quantitation of normal human hair pigmentation by electron microscopy
Daily hair care may cause holes in hair fibers.
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research Silicon in hair loss: a preliminary SEM microanalysis study
The study suggests silicon might be important for healthy hair, as less silicon was found in people with hair loss.
research Cornification in reptilian epidermis occurs through the deposition of keratin‐associated beta‐proteins (beta‐keratins) onto a scaffold of intermediate filament keratins
Reptile skin hardens by layering beta-proteins on keratin.
research Fine Structure of the Fully Keratinized Hair Cuticle in the Head Hair of the Human
Human hair cuticle has five cell layers with specific junctions and granules.
research Formation of the cornified envelope
The cornified envelope is crucial for skin's barrier function and involves key proteins and genetic factors.
research The Story of the Finest Armor: Developmental Aspects of Reptile Skin
Reptile skin protects and prevents water loss, helping them adapt to land.
research Ultrastructure of the contrasting types of keratinization seen in the tail epidermis of the laboratory mouseMus musculus
Mouse tail skin has different keratinization near hair follicles and scales.
research A histochemical examination of the epidermis of the southern elephant seal (Mirounga leonina L.) during the telogen stage of hair growth
The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
research Embryonic keratinization in vertebrates in relation to land colonization
Keratinization in embryos helped vertebrates adapt to land by forming a protective skin barrier.
research Epithelial barrier function: assembly and structural features of the cornified cell envelope
The cornified cell envelope forms a protective barrier in skin and hair, using specific proteins and lipids to maintain effectiveness.
research Single-cell transcriptomics defines keratinocyte differentiation in avian scutate scales
The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
research Existence of various structural zones in keratinous tissues revealed by X-ray microdiffraction
Keratinous tissues have multiple structural layers, including ordered keratin and lipid granules.
research Human stratum corneum proteomics reveals cross‐linking of a broad spectrum of proteins in cornified envelopes
A wide range of proteins are integrated into the skin's protective layer.
research Structural and Immunocytochemical Characterization of Keratinization in Vertebrate Epidermis and Epidermal Derivatives
Vertebrate skin evolved to be more specialized and complex, especially in land animals.
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 Keratinization of sheath and calamus cells in developing and regenerating feathers
Feathers become harder as they develop due to a change in keratin type.
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 Dermo‐epidermal interactions in reptilian scales: Speculations on the evolution of scales, feathers, and hairs
Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.
research The cell membrane complex: Three related but different cellular cohesion components of mammalian hair fibers
The cell membrane complex in mammalian hair has three distinct types with different structures and chemical properties.
research The structure of the cornified claw sheath in the domesticated cat (Felis catus): implications for the claw‐shedding mechanism and the evolution of cornified digital end organs
Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
research Outer root sheath (ORS) cells organize into epidermoid cyst-like spheroids when cultured inside Matrigel: a light-microscopic and immunohistological comparison between human ORS cells and interfollicular keratinocytes
research Review: Evolution and diversification of corneous beta‐proteins, the characteristic epidermal proteins of reptiles and birds
Corneous beta-proteins evolved uniquely in reptiles and birds, forming scales, claws, beaks, and feathers.
research Exogen involves gradual release of the hair club fibre in the vibrissa follicle model
Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.
research Immunolocalization of Scaffoldin, a Trichohyalin‐Like Protein, in the Epidermis of the Chicken Embryo
Scaffoldin helps form hard skin structures in chicken embryos.
research Evolution of hard proteins in the sauropsid integument in relation to the cornification of skin derivatives in amniotes
Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
research Chiton integument: Ultrastructure of the sensory hairs of Mopalia muscosa (Mollusca: Polyplacophora)
research Reptile scale paradigm: Evo-Devo, pattern formation and regeneration
Reptile scales help us understand the evolution of skin features like hair and feathers.
research Ultrastructural visualization of cross-linked protein features in epidermal appendages
Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
research Defining the complex epithelia that comprise the canine claw with molecular markers of differentiation
Canine claws have complex structures with different keratin types, similar to hair and nails.
research Trichilemmoma.Cell biology of the normal human outer root sheath.
The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.