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New hair can grow from large wounds in mice, but less so as they age, involving reprogramming of skin cells and specific molecular pathways.

The microenvironment, especially mechanical forces, plays a crucial role in hair growth and could lead to new treatments for hair loss.

Secondary aesthetic surgeries for gender reassignment are generally satisfying and advance overall aesthetic surgery techniques, but psychological support is important.

The study concluded that both estrogen and androgen receptors, which decrease with age, are linked to skin aging and may be hormonally regulated.

Right hand finger ratio may predict male hair loss.

Turkish women with hirsutism experience lower quality of life, especially those with PCOS, regardless of hair growth severity.

A young woman's symptoms suggested PCOS, but tests and surgery confirmed and treated a rare ovarian tumor, resolving her condition.

About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.

Finasteride negatively affects fish reproduction and gonadal development.

Treating the temple area carefully with combined methods improves facial youthfulness.

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.

The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.

A specific type of skin cell creates an opening for hair to grow out, and problems with this process can lead to skin conditions.

Histopathology is not reliable for detecting early fibrosis in traction alopecia or for showing how severe it is.

The enzyme 5α-reductase type 1 is important for blood vessel development and fertility in the uterus.

Tetracycline can stick to hair follicles and potentially cause hair loss.

Finasteride helps hair growth but stopping it causes faster hair loss.

Actual harvested hair follicles were fewer and differed in type from estimated, with older patients and those with multiple transplants needing more careful planning.

The conclusion is that PCOS is a common cause of hirsutism in young obese women, and early treatment is important to reduce the risk of metabolic syndrome.

Radiation significantly slows down wound healing in mice.

Restoring immune privilege in hair follicles could help treat certain types of hair loss.

Colorimetry can accurately measure hair growth rates in mice.

Melanocytes are important for skin and hair color and protect the skin from UV damage.

Conditioned media from mesenchymal stem cells show promise for tissue repair and disease treatment, but more research is needed on their safety and effectiveness.

The research reveals how early embryonic mouse skin develops from simple to complex structures, identifying various cell types and their roles in this process.

Adult esophageal cells can start to become like skin cells, with a key pathway influencing this change.

Dermal papilla cells are key for hair growth and color, influencing hair type and size, and their interaction with stem cells could help treat hair loss and color disorders.

Animal models, especially mice, are essential for advancing hair loss research and treatment.

Hair follicle regeneration and delivery is complex due to many molecular and cellular factors.

Careful planning and technique in upper facial rejuvenation can minimize risks like hair loss, nerve damage, and scarring.