research Ultrastructural aspects of hair digestion in black piedra infection
The fungus Piedraia hortae damages hair by slowly breaking down its layers, leading to long-lasting infection.
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360-390 / 1000+ resultsresearch In-Situ Imaging Mass Spectrometry Analysis of Melanin Granules in the Human Hair Shaft
research Location and fine structure of melanocytes in human fetal scalp hair follicles.
Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
research Pathogenesis of pili annulati
Pili annulati is caused by a protein metabolism disorder affecting hair structure.
research Abnormalities of Purkinje Cell Arborization in Brindled Mouse Cerebellum
Cupric chloride treatment corrected abnormal Purkinje cell development in brindled mice.
research The distributions of type IV collagen .ALPHA. chains in basement membranes of human epidermis and skin appendages
Type IV collagen chains vary in different parts of human skin, with specific patterns linked to melanocytes.
research Giant Cells in Male Pattern Alopecia: a Histologic Marker and Pathogenetic Clue
Giant cells found in some male pattern baldness cases may help diagnose it and suggest hair is mistakenly seen as foreign by the body.
research Ultrastructural aspect of the keratinolytic activity of piedra.
Piedraia hortae fungi dissolve both the outer and inner layers of hair.
research Giant pigmented tumour of the scalp—a diffuse neurofibroma or a congenital naevus showing neurofibromatous changes? Immunohistochemical and electron microscopic studies
The tumor likely shows dual neural crest differentiation.
research Pili Annulati
The patient's hair has unique structural differences with alternating bright and dark bands.
research The three-dimensional microvascular and collagen fibrillar arrangements around rat vibrissa hairs as revealed by scanning electron microscopy
The lower part of rat vibrissa hair gets more blood and is well-protected for growth.
research Shaping Up Mitochondrion in Motion
Mitochondria change shape to meet energy needs during cell movement.
research Black Piedra - A Case Report
A woman had hair loss and scalp nodules due to black piedra, confirmed by tests.
research Bilateral Eyelid Pseudoptosis From Lipogranulomas of the Preaponeurotic Fat Pads
Surgical removal of abnormal fat pads fixed the woman's eyelid issue caused by likely silicone injections.
research Rhodamin B Stain for Keratin: Evaluation of its Specificity and its Application in Dermal Pathology
Rhodamin B stain is inconsistent for keratin in skin samples.
research Peritoneal reactions with some of the tubal occlusive agents.
GRF is not safe for tubal occlusion.
research 성장기 모낭에서 큐티클층의 각질화 과정
The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
research Differentiation of the basal cell epithelioma-like changes overlying dermatofibroma.
Basal cell epithelioma-like changes are most similar to normal basal cells.
research Structural changes in trichocyte keratin intermediate filaments during keratinization
Keratin structure changes during keratinization, but the exact model remains uncertain.
research Nevoid basal cell carcinoma syndrome. Some histologic observations on the cutaneous lesions
Nevoid basal cell carcinomas start in the skin's top layer and hair follicles.
research Cytologic Aspect of Keratoacanthoma with Granulomatous Inflammation in a Dog
The dog's back mass was a keratoacanthoma with inflammation, successfully removed without recurrence.
research Isomorphic and isotopic phenomenon occurring simultaneously in a case of granuloma annulare
A patient with granuloma annulare experienced both isotopic and isomorphic responses, with skin lesions responding to steroids but relapsing after stopping treatment.
research Defining the Localization and Molecular Characteristic of Minor Salivary Gland Label-Retaining Cells
The study found stem cells in minor salivary glands that can differentiate and are involved in tumor formation when exposed to tobacco.
research Compound Follicles in Folliculitis Decalvans Do Not Contain Vellus and Retained Telogen Follicles—A Pilot Histopathologic Series on Polytrichia
Compound follicles in folliculitis decalvans mainly have active hair follicles.
research The Localization of Cytokeratin 19 and Vimentin in Sprague Dawley Albino Rat Skin Tissue
CK19 and Vimentin are proteins found in rat skin that help with skin renewal and maintaining cell structure.
research Trichosporon inkin and Trichosporon mucoides as unusual causes of white piedra of scalp hair
Trichosporon inkin and Trichosporon mucoides can cause white piedra on scalp hair.
research The structure and organization of lanceolate mechanosensory complexes at mouse hair follicles
Lanceolate complexes in mouse hair follicles are essential for touch and depend on specific cells for maintenance and regeneration.
research Crystal Structure of Minoxidil
Minoxidil's crystal structure shows two different molecule shapes and nitrogen states.
research 線維芽細胞凝集塊形成による幹細胞形成機構の解明
Fibroblast spheres can form stem cells, but marker distribution needs more study.
research Keratin formation in the hair follicle
Keratin fibrils in hair form and stop growing at specific points in the follicle.