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Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.

Stress can stop hair growth in mice, and treatments can reverse this effect.

Latanoprost can make eyelashes longer, thicker, and darker.

Nerves and chemicals in the body can affect hair growth and loss.

Placental growth factor may help treat hair loss.

Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.

Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.

Alk1 in specific cells is crucial for proper nerve branching and hair function.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Touch sensitivity in mouse skin decreases during hair growth due to changes in touch receptors.

LLLT helps treat hair loss by increasing blood flow, reducing inflammation, and stimulating growth factors.

The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.

Alopecia areata causes varying hair loss patterns, affecting hair, nails, and possibly glands, with treatment outcomes depending on disease duration and extent.

Stress might contribute to hair loss in alopecia areata.

Epidermal stem cells have various roles in skin beyond just maintenance, including forming specialized structures and aiding in skin repair and regeneration.

Many elderly women experience unwanted facial hair and various hair loss conditions, with treatments available for each condition.

Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.

Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.

Valproic acid may help hair grow and could be a safe treatment for hair loss.

Dynamic, light touch is sensed through a common mechanism involving Piezo2 channels in sensory axons.

Activating Notch in adult skin causes T cells and neural crest cells to gather, leading to skin issues.

Meis2 is essential for touch sensation and proper nerve connection to touch receptors in certain skin areas of mice.

Scalp itching is common and hard to diagnose due to the complex nerve structure of the scalp.

Stress increases certain chemicals in the skin and nerves, which might worsen skin conditions.

Scientists found a specific group of itch-sensing nerve cells in mice important for feeling itch but not for sensing heat or touch.

Lanceolate complexes in mouse hair follicles are essential for touch and depend on specific cells for maintenance and regeneration.

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

Nerve growth in mouse skin and hair follicles happens in stages and is closely linked to hair development.

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

Muscles and nerves that cause goosebumps also help control hair growth.