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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.

The document concludes that the technique allows for the detection of LDH activity in various tissues, showing where cells are actively metabolizing glucose.

Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.

Hair analysis can offer clues about a person, but individual differences limit making precise identifications.

Transglutaminase activity is important for skin and is found in both mammals and birds.

The new hydrogel with zinc and polysaccharides improves wound healing and has antibacterial properties.

Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.

The KRTAP21-1 gene affects wool yield and can help improve wool production.

Adult male raccoon dogs shed their winter fur in spring and grow new fur for winter in autumn.

Some women experienced hair loss after stopping chorionic gonadotropin injections and a low-calorie diet.

Sun exposure and corticosteroid use are linked to a skin condition, aseptic necrosis can happen with different wart treatments, and hair loss might be caused by hormone injections and dieting.

Some people may naturally have beaded lines on their skin that are more visible with certain treatments, and hair loss similar to post-pregnancy can occur after specific diet and therapy.

Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.

Growth factors and microneedle therapy increase hair density in women with hair loss.

The document explains how to identify different hair problems using a microscope.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

Hereditary elliptocytosis causes elongated red blood cells and can lead to mild or no symptoms.

University students in Egypt experienced high stress during COVID-19's third wave, with negative coping mechanisms being more common.

Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.

Vesicular carriers like liposomes may improve cosmetic skin treatment delivery and effectiveness but need more human research.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

New hair loss treatments may include topical medications, injections, and improved transplant methods.

Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

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

Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Spironolactone effectively reduces hair growth in women with hirsutism and is generally well-tolerated.

Dermatologists need to understand African American hair-care practices to better treat their hair and scalp disorders.

The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.