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The document describes skin diseases affecting the outer ear in dogs and cats, their spread to other body parts, and treatment options.

Dogs have varying numbers of touch-sensitive Merkel cells in different skin areas, with most in the oral mucosa and facial skin, unrelated to age, sex, breed, or color.

People with androgenetic alopecia, both men and women, are more likely to develop heart diseases in the future.

Delta opioid receptors help regulate touch sensation by reducing neurotransmitter release in the spinal cord.

Oxygenated micro/nanobubbles speed up burn wound healing in rats.

Scientists are using clumps of special stem cells to improve organ repair.

Using a drug to activate bone marrow stem cells can help the liver regenerate and function better after major surgery in rats.

Microneedles are promising for long-acting drug delivery and can improve patient compliance, but more data is needed to confirm their effectiveness.

The document concludes that surgical robots improve surgery and recovery but are costly and can stress surgeons due to less patient contact.

Laser hair transplantation can be effective but should be limited to small areas and requires more training to ensure safety and effectiveness.

Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.

Loose anagen hair syndrome, often affecting young girls, can be diagnosed with a hair-pull test and usually gets better on its own, but severe cases may need treatment.

The document suggests that Alopecia X in dogs is mainly a cosmetic issue and might be better left untreated.

Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.

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

Hair loss patients have different microbes in hair follicles, possibly affecting hair loss.

Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.

Increased PPARGC1α relates to hair thinning in common baldness.

DHT, a testosterone byproduct, causes male pattern baldness.

The nutritional supplement improved hair density and reduced hair loss in women with female pattern hair loss.

Minoxidil 5% works better than 2% for hair growth in male-patterned hair loss.

Hair transplants are effective for male and female pattern baldness, have evolved in technique, and require careful planning for natural results and managing complications.

Birth control pills and anti-androgen medications help manage hair growth, acne, and hair loss in women with PCOS.

Different hair disorders have specific treatments and outcomes, with some resolving on their own and others requiring medication or emotional support.

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

More kenogen hairs cause hair thinning in androgenetic alopecia, not hair miniaturization.

Hormonal treatments can help with hair loss, acne, and excess hair growth, but it takes 3-6 months to see results and patients should know the possible side effects.

The study suggests computer-assisted analysis of scalp biopsies could improve hair loss diagnosis but needs more validation.

Finasteride improves hair growth in men with androgenetic alopecia.

High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.