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Hair follicle stem cells prevent melanocyte stem cells from differentiating by controlling retinoic acid levels.

Fibre optic confocal imaging can visualize skin layers, blood vessels, and nerves in live mice.

The IRE gene is important for normal root hair growth in Arabidopsis plants.

The method allows detailed observation of hair tissue structures.

A woman's nail separation was likely caused by poor blood flow, and a treatment for similar conditions might help.

Keratin is crucial for skin barrier formation and affects mitochondrial function.

Mouse Epidermal Neural Crest Stem Cells can become various cell types.

Curly wool has more orthocortex than straight wool.

Krt16-deficient mice help understand skin disorders like PC and FNEPPK.

Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.

Cultured epithelium can form hair follicles when combined with dermal papillae.

Dermal papillae are crucial for hair growth and maintenance.

Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.

Hair follicles in mice help detect and respond to germs.

Four keratin genes are crucial for hair growth in Xinji fine wool sheep.

Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.

Cuscuta reflexa extract may help treat hair loss caused by hormones.

The protein RSL4 is crucial for making root hairs longer by controlling genes related to cell growth.

Canine claws have complex structures with different keratin types, similar to hair and nails.

Cysteines in wool fibers are accessible and form important disulfide bonds.

Recessive X-linked ichthyosis involves a less efficient enzyme in hair follicles, suggesting two distinct enzymes.