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Scalp areas that look normal in people with hair loss may still show signs of disease under a microscope.

Horizontal scalp biopsy sections effectively diagnose and predict MPAA, with follicular density and inflammation impacting hair regrowth.

Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.

Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.

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

The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.

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

The document concludes that different types of hair loss have specific treatments, and early diagnosis is crucial for preventing permanent hair loss.

Papain and bisulfite break down human hair by dissolving parts of it.

Aging alone rarely causes significant hair loss; hormones are a bigger factor.

Mini-micrografting in hair transplants can give similar density to older methods with fewer sessions.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

Examining scalp biopsies in different ways helps better diagnose hair loss types.

Oral itraconazole effectively reaches and treats deep skin layers in guinea pigs.

Triple horizontal scalp biopsies are 98% accurate in diagnosing hair loss, better than single biopsies.

Micro-CT helps identify suitable areas for surgical procedures based on blood vessel distribution in hypospadias-affected rats.

The document concludes that diagnosing hair loss requires evaluating multiple histological features, as no single feature is definitive on its own.

Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.

Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.

Guidelines for diagnosing common hair loss include detailed history, clinical examination, and various diagnostic techniques.

Androgenetic alopecia in women needs more research and better management strategies.

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

To diagnose hair loss, use a systematic approach including history, exams, and tests.

The three estrogen receptor genes are highly expressed in zebrafish neuromasts during development.

The document concludes that follicular unit transplantation offers more natural results and better graft survival than older hair transplant methods.

The document concludes that alopecia areata is an autoimmune disease without a definitive cure, but treatments like corticosteroids are commonly used.

The article explains the genetic causes and symptoms of various hair disorders and highlights the need for more research to find treatments.