research Cutaneous Hybrid Cyst in a Sprague-Dawley Rat
A rat had a cyst similar to a hair follicle structure.
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720-750 / 1000+ results research Hair dermal papilla cell metabolism is influenced by minoxidil
research Implanted hair-follicle-associated pluripotent (HAP) stem cells differentiating to keratinocytes, macrophages and endothelial cells accelerated cutaneous wound closure and suppressed scar formation in a mouse model
Implanted special stem cells from hair follicles helped heal wounds faster and with less scarring in mice.
research Scalp capillarectasia as a trichoscopic sign of COVID ‐19‐associated telogen effluvium
Dilated scalp capillaries might be a sign of hair loss related to COVID-19.
research Androgen-Dependent Beard Dermal Papilla Cells Secrete Autocrine Growth Factor(s) in Response to Testosterone Unlike Scalp Cells
Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
research Bulge cells of human hair follicles: segregation, cultivation and properties
Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.
research Tinea capitis mimicking dissecting cellulitis of the scalp: a histopathologic pitfall when evaluating alopecia in the post‐pubertal patient
A fungal infection can look like a different scalp condition in teens, leading to wrong treatment until proper tests are done.
research Histochemical observations of lectin-binding sites and keratin distribution in calcifying epithelioma of Malherbe.
Tumor cells in calcifying epithelioma of Malherbe resemble hair follicle cells.
research Update on detection, morphology and fragility in pili annulati in three kindreds
Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
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 Distribution of major histocompatibility antigens in normal skin
Major histocompatibility antigens are found in specific skin cells and structures, but not in sweat glands.
research Faculty Opinions recommendation of De novo production of dermal papilla cells during the anagen phase of the hair cycle.
New cells join the hair's dermal papilla during the growth phase, possibly affecting hair thickness.
research Integrin α3β1 in hair bulge stem cells modulates CCN2 expression and promotes skin tumorigenesis
Removing integrin α3β1 from hair stem cells lowers skin tumor growth by affecting CCN2 protein levels.
research Coculture of Human Hair Follicles and Dermal Papillae in Type I Collagen Gel
Dermal papillae are crucial for hair growth and maintenance.
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 Human hair keratins
research Induction of Hair Follicle Regeneration in Rat Ear by Dermal Papilla Cell Microcapsules
Microencapsulated cells can regenerate hair follicles in rat ears.
research Microscopic anatomy of the skin of the woodchuck (Marmota monax): comparison of woodchuck hepatitis virus-infected and non-infected animals.
WHV infection does not affect woodchuck skin anatomy.
research Expression of the hair stem cell-specific keratin 15 in pilar tumors of the skin.
K15 staining helps distinguish basal cell carcinoma from trichoepithelioma.
research Scanning Electron Microscopic Study on Collagen Fibrils in the Mink Dermis during the Hair Cycle and Growth
Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
research ‘A detective look’ at hair biopsies from African-American patients
Recognizing specific features of African-American hair can help diagnose hair loss conditions.
research Two cases of aplasia cutis congenita with hair collar signs and macrophage hyperplasia
Two cases showed skin abnormalities without bone or neural defects.
research Watching hair grow
Hair grows when stem cell offspring in the follicle base proliferate, influenced by the dermal papilla.
research Organ function is preserved despite reorganization of niche architecture in the hair follicle
research Catagen in the hairless house mouse
Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
research Follicular mucinosis: A detailed morphologic and immunopathologic study
Benign follicular mucinosis involves immune cells attacking hair follicles.
research Decision letter: Hair follicle epidermal stem cells define a niche for tactile sensation
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
research A Human Folliculoid Microsphere Assay for Exploring Epithelial– Mesenchymal Interactions in the Human Hair Follicle
HFMs can help study hair growth and test potential hair growth drugs.
research Open and Closed Structure
The 3D hair follicle model improves understanding of hair growth and drug testing.
research Multiple, hereditary dome-shaped papules and acrochordons. Birt-Hogg-Dube syndrome
The boy likely has a fungal infection causing hair loss.