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The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.

Possible causes of female hair loss include androgenetic alopecia, telogen effluvium, cicatricial alopecia, and alopecia areata incognita; diagnosis and treatment require dermoscopy and histopathology.

Anthrax bacteria can infect and destroy hair follicles in mice, but the immune system eventually clears the infection.

Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.

The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.

Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.

Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.

Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.

Killing specific cells in hair follicles can lead to hair growth problems in mice.

Minoxidil can help grow hair and make hair follicles bigger, but it can also cause side effects.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

The most effective way to diagnose non-scarring hair loss is by transverse sectioning, and some cases, particularly in males with inflammation around hair follicles, might be curable.

Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.

Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.

Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.

Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.

Minoxidil speeds up hair growth in rats without prolonging growth phase.

Different types of hair loss have unique features under a microscope, but a doctor's exam is important for accurate diagnosis.

Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.

The research found specific signs to diagnose alopecia areata incognito and noted patients generally regrow hair after steroid treatment.

Chitosan and surface-deacetylated chitin nanofibers may help treat hair loss.

Hair root sheaths are more common in non-scarring hair loss and help diagnose the type of hair loss.

Different types of dog hair loss are linked to problems starting the hair growth phase and early hair cycle ending.

Ornithine decarboxylase is crucial for hair growth and follicle development.

The model showed that randomness accurately describes individual hair growth cycles and that synchronization can cause large fluctuations not seen in humans.

Vemurafenib therapy can cause hair loss, but clobetasol propionate foam can help regrow hair.

The study found unique skin changes in a rare type of alopecia linked to a skin condition called linear morphea.

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

The document concludes that recognizing specific histological features of different nonscarring alopecias is crucial for accurate diagnosis and understanding hair loss progression.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.