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Hormones like estrogen, testosterone, progesterone, and prolactin play complex roles in female sexual function, with testosterone potentially improving sexual desire, arousal, and satisfaction. However, more research is needed to establish safe and effective hormone treatments for female sexual dysfunction.

The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.

Testing hair roots with a special dye is a simple, non-invasive way to check disease progress in pemphigus vulgaris patients.

Hair's strength and flexibility come from its protein structure and molecular interactions.

The scalp has more diverse bacteria, while hair has more bacteria and unique types.

CK19 and Vimentin are proteins found in rat skin that help with skin renewal and maintaining cell structure.

The document explains what healthy skin, nails, and hair look like on an ultrasound.

Removing Lrig1-positive stem cells in mice causes temporary loss of sebaceous glands.

Dermatologists often neglect hair disorders due to complexity and lack of clear treatments, impacting patient care and highlighting the need for better education and interest in this area.

Hair from different ethnic groups affects soil nutrient release differently.

Laser ablation ICP-MS is effective for tracking trace elements in polar bear hair over time.

The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.

Good nutrition and essential trace elements like zinc, selenium, and iron are important for a strong immune system and reducing COVID-19 severity.

The study did not conclude whether hair can reliably indicate kidney stones, cholelithiasis, hypertension, or diabetes.

A family was found with both Trichorhinophalangeal syndrome and Loose Anagen Syndrome, suggesting a genetic connection.

Trichohyalin-like proteins are essential for the development of skin structures like hair, nails, and feathers.

More research is needed to understand how diet affects isotope signatures in Japanese macaque tissues.

The natural shampoo made from Gleditsia sinensis Lam and other ingredients showed good foaming, cleaning, and protective properties.

Nanotube-based hair treatments could improve hair health and growth, and offer long-lasting effects.

Low zinc levels in hair and serum are linked to chronic hair loss.

Teletrichoscopy is a promising method for diagnosing hair disorders remotely during the COVID-19 pandemic.

3D bioprinting is advancing in plastic and reconstructive surgery, especially for creating tissues and improving surgical planning, but faces challenges like vascularization and material development.

Boosting mitochondrial energy production with supplements like acetyl-L-carnitine may improve aging-related cellular function and health conditions.

Smaller hair grafts in transplants offer better cosmetic results and more styling options, but challenges like thinning and limited coverage remain.

Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.

Human hair has different protein structures in its cuticle and cortex.

Epidermal stem cells create and maintain skin structures like hair and nails through specific signaling pathways and vary by location and function.

The document concludes that veterinary dermatologists need more experience and a better approach to treating skin diseases in nonhuman primates.

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

Treating hair with 1M sodium hydroxide increases its friction, making it better for small medical knots.