research Rippled‐pattern trichomatricoma
A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
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research Isolated patchy heterochromia with pili annulati features on light and electron microscopy
Isolated patchy heterochromia with pili annulati can occur without other health issues.
research Topology of Feather Melanocyte Progenitor Niche Allows Complex Pigment Patterns to Emerge
Feather pigment patterns form through melanocyte arrangement and simple regulatory mechanisms.
research Phylloid terminal hair nevus: A unique clinical entity
A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
research Hair and nail disorders
Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
research Harlequin fetus with abnormal lamellar granules and giant mitochondria
Harlequin ichthyosis involves abnormal skin cell structures and giant mitochondria, affecting skin and hair.
research Engineering Human Skin with Spatially Defined Hair Peg-Like Structures Using Self-Organizing Composite Organoids and Micropatterned Dermal Scaffolds
research Enhanced Differentiation Potential of Pigmented Human Epidermal Equivalents
PmtHEE is a better model for studying pigmented skin because it includes melanocytes and shows improved cell differentiation.
research Assembly of Hair Keratins in Transfected Epithelial Cells
Mouse hair keratins mHa1 and mHb4 can't form a strong network on their own in cells.
research Pili Annulati
The patient's hair has unique structural differences with alternating bright and dark bands.
research A rare case of pigmented nodular alopecic lesion on the scalp
A man had a rare pigmented nodule on his scalp that developed from birthmarks.
research Pseudopili Annulati in a Dark‐Haired Individual: A Light and Electron Microscopic Study
A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
research 1299 Live imaging of keratin network in stratum granulosum reveals dynamic cytoskeletal changes during cornification in mice in vivo
The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.
research The ultrastructure of the interfollicular epidermis of the hairless (hr/hr) mouse
research Hair Matrix Cyst
Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
research Electron Microscope Studies of the Human Epidermis The Clear Cell of Masson (Dendritic Cell or Melanocyte)
A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.
research Unilateral heterochromia of scalp hair with adjacent hypomelanotic skin lesions
The boy's hair and skin color differences are due to a pigmentation disorder.
research A case of localized follicular hamartoma: an ultrastructural and immunohistochemical study
The hamartoma is an abnormal hair growth with limited development in the upper hair follicle.
research Nevus comedonicus
Nevus comedonicus is a rare skin condition with grouped open pores, sometimes linked to other body issues.
research Polythelia pilosa: A Particular Form of Accessory Mammary Tissue
Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
research Monilethrix: an ultrastructural study
Monilethrix hair issues are due to problems in the hair's internodes.
research New aspects of the structure of human hair on the basis of optical microscopic observations of disassembled hair parts.
Human hair's strength comes from a honeycomb-like structure and macrofibrils.
research Pili Trianguli et Canaliculi Is a Defect of Inner Root Sheath Keratinization
The hair defect is due to abnormal inner root sheath keratinization.
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 Acquired smooth muscle hamartoma with sebaceous component
The patient has a rare skin condition that shows features of two known disorders.
research Case of follicular mucinosis: Nestin‐expression in mucin‐producing cells
A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
research AN ULTRASTRUCTURAL POSTNATAL DEVELOPMENTAL STUDY OF THE INTEGUMENT OF THE PIG (SUS SCROFA)
Pig skin is similar to human skin, with no major changes as they age.
research Histochemistry of the porcine pilosebaceous unit
Porcine and human pilosebaceous units are very similar.