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Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.

Sensory neurons and Merkel cells remodel at different rates during normal skin maintenance.

Stem cells control their future role by changing ERK signal timing, affecting tissue regeneration and cancer.

Sonic hedgehog signaling is needed for the development of touch-receptor cells in the skin, and the loss of Polycomb repressive complex 2 can lead to more of these cells.

More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.

Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.

Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.

The most common causes of hair loss in Jordanian children are fungal infections, autoimmune hair loss, and hair shedding after fever, with zinc deficiency also being a notable cause.

Hair care products don't cause hair loss if used correctly.

Hair from balding and non-balding areas regrows similarly on mice.

Tying a knot can measure hair friction, useful for medical applications.

Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.

Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.

The model predicts hair breakage based on key hair properties and helps product developers.

Early treatment of children's hair loss, which can be caused by various factors, is important due to its emotional impact.

The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.

Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.

Parathyroid hormone-related protein helps control hair growth phases in mice.

Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.

Some plants may help with hair growth and have fewer side effects than synthetic drugs, but more research is needed to confirm their effectiveness.

The most common causes of hair loss in children in South-East Nigeria are fungal infections and alopecia areata.

The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.

STAT5 activation is crucial for starting the hair growth phase.

Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.

UV radiation and visible light can damage hair, but there are ways to protect it.

Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.

Dr. Norwood's analysis highlights the need for careful patient selection and strategic hair transplant design to create a natural-looking hair density.

Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.