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New information suggests that metformin might help more women with PCOS and infertility, not just those with glucose issues.

The document concludes that Polycystic Ovary Syndrome is a commonly underdiagnosed hormonal disorder in women, diagnosed by specific criteria.

The document explains how hair follicles develop in humans.

Human hair is complex and grows in cycles starting from embryonic life.

Hair grows in cycles and changes with age, starting from fetal development.

Hair in mammals likely evolved from glandular structures, not scales.

The study identified unique genes in hair follicle cells and their environment, suggesting these genes help organize cells for hair growth.

Hair is important for social and sexual communication in humans.

Developing hair follicles form from ring-shaped patterns, with future stem cells originating from the outer ring, not the upper layers, as previously thought.

Researchers identified new cell types and genes in early hair follicle development.

Langerhans cells and melanocytes migrate to the skin and hair follicles during early human development.

Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

Key signals for hair follicle formation were identified.

Hair follicle development involves complex interactions between skin layers and cells, but many details are still unknown.

Neonatal hair can help determine drug exposure during pregnancy.

Different ectodermal organs like hair and feathers regenerate differently, with specific stem cells and signals involved in their growth and response to the environment.

Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.

Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.

CD10 and CD34 levels change during hair development and different hair growth stages, which could be important for hair regeneration treatments.

The book reveals diverse patterns of hair growth in different species and advancements in hair and alopecia research.

Hair follicles evolved from oil glands, with hair aiding secretion transport.

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

Prenatal retinoic acid exposure did not affect mouse vibrissal follicle development.

Hair growth and development are controlled by complex signaling pathways.

Understanding hair growth involves complex interactions between molecules and could help treat hair disorders.