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Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.

Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.

Changes in keratin make hair follicles stiffer.

Biotin is essential for healthy skin and claws in pigs.

The new method may improve skin grafts and hair growth.

Adding a water-soluble fatty acid complex to sheep diets improves wool growth by increasing primary hair follicle size and density.

Friedreich's ataxia causes thin, weak hair with surface damage and cavities.

Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.

Hair in mammals likely evolved from glandular structures, not scales.

PRP injections for hair loss may cause scalp nodules that can persist but often regress on their own.

Netherton syndrome causes specific skin and hair changes that help in early diagnosis.

STAR particles are safe, comfortable, and effective for enhancing drug delivery through the skin.

The technique can isolate cells to help treat skin pigmentation issues.

A rare skin condition was confirmed to be associated with a specific virus in a young girl.

The study concluded that changing the culture conditions can cause sika deer skin cells to switch from a flat to a 3D pattern, which is important for creating hair follicles.

Prevelex, a polyampholyte, can create a cell-repellent coating on microdevices, which can be useful in biomedical applications like hair follicle regeneration.

The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.

Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.

The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.

Oleanolic acid in spearmint may help manage PCOS symptoms.

The method effectively measures spermidine in hair lotions.

Hair follicles are thinner in alopecia patients, especially in alopecia areata.

Curly wool has more orthocortex than straight wool.

Dermoscopy helps diagnose and monitor treatment for hair loss from scarring conditions like discoid lupus and lichen planopilaris.

High proliferation and cell delamination drive early skin development, while later stages may not rely on cell division orientation.