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The document suggests that human hair has electrical charges because of a gap in nerve cell coverage that affects electromagnetic radiation.

Beard hair medulla cells have a unique and varied keratin pattern.

Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.

Different S100 proteins have specific roles in various parts of the hair follicle.

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

Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.

Mammalian hair scales change from smooth to wavy due to friction.

Sweat glands and hair follicles are structurally connected within a specific layer of skin fat.

Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.

Sinus hair follicles in mammals have different nerve fiber types with species-specific patterns, especially in cats.

Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.

Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.

Pilomatricomas don't follow the usual hair follicle cell differentiation process.

Male and female human hairs have different microscopic structures that can help in forensic analysis.

Pubic hair is thicker than axillary and scalp hair, useful for forensic identification.

Laser microdissection helps get DNA from single hair follicles for better forensic analysis.

Hair is important for social and sexual communication in humans.

Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.

Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.

The research identified genes that explain why some sheep have curly wool and others have straight wool.

The fuzzy gene is crucial for controlling hair growth cycles.

A rare skin bump with tiny hairs was successfully removed from a man's face.

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.

Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.

Hair structural proteins are synthesized sequentially in specific cells, offering a new way to study hair proteins and defects.

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