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Calcium microcapsules are better for long-term use in artificial dermal papilla, while barium microcapsules are good for short-term.

Pili annulati causes zebra-striped hair but doesn't affect hair strength or quality of life.

Hair follicle mites might spread harmful microorganisms.

Strontium zinc silicate may help treat osteoporosis and muscle loss.

The hair and oil glands react by changing structure when stressed.

Cysteines in wool fibers are accessible and form important disulfide bonds.

High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.

Hair casts are small structures on hair shafts with unknown causes.

The new method isolates more hair follicle stem cells from mice quickly and these cells help promote hair growth.

Two mouse mutants have defective hair cuticle cross-linking.

Sprouty and FGF balance is crucial for normal feather shape and size.

Salvia plebeia extract can stimulate hair growth.

A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.

Mouse hair element patterns vary, making it unreliable for tracking time.

Tenascin-C and tenascin-W help control stem cell movement and growth in whisker follicles.

Corticosteroids can reduce scarring in acne keloidalis by targeting specific cells.

Shiny white structures in trichoscopy can indicate long-standing discoid lupus erythematosus alopecia.

The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.

Topical putrescine and spermine increased DNA synthesis in hairless mouse skin.

Hair root sheaths are more common in non-scarring hair loss and help diagnose the type of hair loss.

The reinforced collagen sponge helps grow normal hair in mice.

Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.

Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.

The "spade sign" is a highly specific indicator for diagnosing acne keloidalis.

Dendritic cells help regulate skin development and hair growth in mice.

Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.

Vellus hair cysts can cause acne-like bumps that don't respond to treatment.

Overexpression of R-spondin 3 leads to sparse hair and impaired hair regeneration.

New molecules involved in skin and hair growth were identified, improving understanding and future treatments.