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Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.

Lipids are crucial for healthy hair, protecting it from damage and breakage.

Pubic hair is thicker than axillary and scalp hair, useful for forensic identification.

Calcium soaps are present in human hair and can be removed with acid.

Hair follicles and sweat glands show different keratin staining patterns.

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

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

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

Older thin hair is not just thinner but also has different shape, structure, and stiffness.

Heating human hair creates hollow microtubes with smooth surfaces.

The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.

Trichohyalin and peptidylarginine deiminase type III are found together in rat hair follicles, with trichohyalin being modified after expression.

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

A new method effectively stains hair samples for study without losing hair sections.

Straight permed hair loses weight faster than virgin hair when heated, but ends up heavier after burning.

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

Women's hair has more sulfur, and black hair has more calcium than white hair.

All major hair defects involve cuticle abnormalities.

Vimentin, desmin, and laminin help maintain rat skin structure.

Calcium oxalate was found in human hair and could help detect certain health conditions.

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

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

Trichohyalin, a protein from pig tongue, was purified and found to have a filamentous structure.

Hair fibers degrade and change color in very basic water.

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

Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.

Rac1 is crucial for normal hair structure and pigmentation.

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

The 16th-century mummy's hair was well-preserved due to a calcium coating.

THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.