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Deleting the p63 gene in certain cells causes problems in thymus development and severe hair loss in mice.

A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.

X-ray microscopy can non-invasively show hair structure changes after treatments, but it's less detailed than TEM and needs improvement.

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

Hair analysis can detect drug use but is costly and interpretation is complex.

Male and female human hairs have different microscopic structures that can help in forensic analysis.

Understanding hair follicle development can help improve cashmere quality.

Hair growth is driven by cells that move and change like a conveyor belt.

Hair fibers degrade and change color in very basic water.

Otter rabbit, mink, and blue fox fur can be identified by their unique hair structures.

Two mouse mutants have defective hair cuticle cross-linking.

Moisture content significantly affects how human hair breaks.

Oxidative hair dye changes hair color and structure but doesn't weaken it.

Heating human hair creates hollow microtubes with smooth surfaces.

Stretching damages Caucasian hair's structure more easily than Asian hair.

Tianzhu white yak hair varies in structure and density between fuzz and coarse hair.

FoxN1 gene is crucial for proper thymus structure and normal skin appearance.

Human hair is complex and grows in cycles starting from embryonic life.

PAI-2 helps in the maturation and protection of hair and nail cells.

Microscopic hair features can identify different Cauda Cervi species.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

As sheep age, their hair fibers and follicles grow larger and more organized, with no significant differences between males and females.

Horse skin has a layered epidermis, a dermis with hair follicles, sweat and sebaceous glands, and is supplied by small arteries.

Trichohyalin is modified by enzymes to form strong structures in hair cells.

Climate-related nutritional stress may cause hair loss in juvenile male Guadalupe fur seals.

Goat hair growth is influenced by light cycles and diet, and skin diseases in goats are diagnosed through a step-by-step process and often involve viral or bacterial infections.

Prenatally androgenized ewes can model increased hair diameter in women with PCOS.

The document concludes that understanding nail anatomy is key for diagnosing nail diseases, early signs of nail melanoma may allow for less aggressive treatment, and specific genetic mutations are important in thyroid cancer prognosis and treatment.

Stress can worsen skin conditions by affecting hormone levels and immune response.

RET mutation is important in familial medullary thyroid carcinoma, and BRAF mutation in papillary thyroid carcinoma is linked to more aggressive cancer and higher death rates.