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570-600 / 1000+ resultsresearch Embryonic keratinization in vertebrates in relation to land colonization
Keratinization in embryos helped vertebrates adapt to land by forming a protective skin barrier.
research Molecular and Cellular Characterization of Avian Reticulate Scales Implies the Evo–Devo Novelty of Skin Appendages in Foot Sole
Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.
research Immunofluorescence analysis of the basement membrane zone components in human anagen hair follicles
The upper hair follicle is stable, while the lower part allows movement during hair growth.
research TARSAL CONTACT CHEMOSENSORY HAIRS OF THE LARGE WHITE BUTTERFLY PIERIS BRASSICAE AND THEIR POSSIBLE RÔLE IN OVIPOSITION BEHAVIOUR
B-type hairs on female butterfly legs help them choose where to lay eggs.
research Robust coupling between the C‐tactile afferent and the hair follicle in humans
C-tactile nerves are sensitive to hair movement.
research 0882 Patterning and regional specification of hairy skin
Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
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 Electron microscope observations on the glassy layer of the hair follicle*1
The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
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 Local structure of human hair spatially resolved by sub-micron X-ray beam
Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
research How a Bird Gets Its Feathers: Insights from Chromatin Looping
Feather patterns are influenced by enhancers and chromatin looping, and the structure of protein complexes important for hair growth has been detailed.
research Comparative Spatial Transcriptomic and Single-Cell Analyses of Human Nail Units and Hair Follicles Show Transcriptional Similarities between the Onychodermis and Follicular Dermal Papilla
Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.
research Synthesis of porcine pCLCA2 protein during late differentiation of keratinocytes of epidermis and hair follicle inner root sheath
pCLCA2 protein may help maintain skin structure and function.
research Chiton integument: Ultrastructure of the sensory hairs of Mopalia muscosa (Mollusca: Polyplacophora)
research Molecular and spatial landmarks of early mouse skin development
The research maps the complex development of early mouse skin, identifying diverse cell types and their roles in forming skin layers and structures.
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 Ultrastructure of two types of glandular hairs of salvia farinacea benth during development
Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
research Depth control in follicular unit excision: A new classification from a detailed analysis of 30 patients undergoing FUE technique for hair restoration
A new classification for depth control in hair restoration surgery was proposed, dividing it into three grades based on the depth required for successful graft extraction.
research Regulation of Keratin Gene Expression in Hair Follicle Differentiationa
Keratin gene regulation is similar across mammals, affecting hair follicle differentiation.
research cDermo-1 misexpression induces dense dermis, feathers, and scales
cDermo-1 causes dense skin, feathers, and scales in chickens.
research Expression of hair keratins in the adult nail unit: an immunohistochemical analysis of the onychogenesis in the proximal nail fold, matrix and nail bed
The ventral matrix is the main source of the nail plate.
research The Role of Interface Geometry and Appendages on the Mesoscale Mechanics of the Skin
Skin's uneven surface and hair follicles affect its stress and strain but don't change its overall strength, and help prevent the skin from peeling apart.
research Sequence and Expression of Murine Type I Hair Keratins mHa2 and mHa3
mHa2 and mHa3 keratins have different structures and roles in mouse hair and tongue tissues.
research Ultrastructural Study on Connective Tissue-Epithelial Junctions in Anagen Hair Follicle of Human Fetus
The hair follicle's connection to connective tissue is weaker than the skin's.
research LB1081 Three-dimensional imaging of tight junction-network across multiple layers of human epidermis by array tomography using backscattered electron-mode scanning electron microscopy
The study found that tight junctions reach the top layer of the skin's stratum granulosum, not just the second top layer as previously thought.
research remarks on the evolution of the integumental scale armour
Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.
research The Localization of Label-Retaining Cells in Mouse Nails
Stem cells in mouse nails are found in the nail matrix and may control nail growth.
research Tight junctions form a barrier in porcine hair follicles
Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.
research Ultrastructural Localization and Quantification of Extracellular Calcium Binding Sites in Mouse Vibrissa and Human Scalp Follicles
Hair growth drugs and epidermal growth factor do not change the calcium binding site gradient in hair follicles.