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Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.

Hair and wool have complex microscopic structures with microfibrils and varying cystine content.

Different ethnicities and treatments affect human hair strength and structure.

George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.

Dermatopathology has made significant progress but many skin diseases remain incurable, requiring ongoing research.

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

The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.

Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.

The document explains how hair follicles develop, their structure, and how they grow.

Mesotherapy is more effective than topical spray for female hair loss treatment.

The KNU implanter for hair transplants showed a high survival rate of 90%+ for transplanted hairs after 6 months, with benefits like natural hair direction and fewer scars.

Wool follicles are complex, involving interactions between different cell types and structures.

The study found that Keratosis Pilaris Atrophicans is a genetic skin condition that starts in childhood, involves inflammation and scarring, and current treatments are only somewhat effective.

Platelet-rich plasma, taken from a person's own blood, can help rejuvenate skin, stimulate hair growth, and treat hair loss, but more research is needed to confirm its safety and effectiveness.

Keratin fibrils in hair form and stop growing at specific points in the follicle.

The arrector pili muscle might play a role in hair loss and needs more research to understand its impact.

Immune cells affect hair growth and could lead to new hair loss treatments.

Fisetin, a type of polyphenol, may help hair grow by increasing certain protein activities in cells.

Deer antler velvet serum helps hair grow and is safe for skin.

Ionizing radiation causes irreversible skin damage, with single doses leading to acute injury and hair graying, and fractional doses causing more severe long-term tissue damage.

Understanding hair biology is key to developing better treatments for hair and scalp issues.

Researchers found specific genes in the part of hair follicles that could help treat hair disorders.

Nanoparticles can speed up wound healing and deliver drugs effectively but may have potential toxicity risks.

Modern wound dressings like hydrocolloids, alginates, and hydrogels improve healing and are cost-effective.

Fisetin in fruits and vegetables helps hair growth in mice.

Hair follicles and deer antlers regenerate similarly through stem cells and are influenced by hormones and growth factors.

Scalp expansion is an effective way to reconstruct the scalp with good cosmetic outcomes.

The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.

Placental mesenchymal stem cells and their conditioned medium significantly improve healing in local radiation injuries.

Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.