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Sweat duct differentiation in trichilemmal cysts is very rare and can be successfully removed with surgery.

Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.

Scientists created skin-like structures from stem cells that include features like hair and sweat glands.

Horse skin has a layered epidermis, a dermis with hair follicles, sweat and sebaceous glands, and is supplied by small arteries.

The review emphasizes the need to recognize skin conditions that affect hair follicles and sweat glands to avoid misdiagnosis.

Humans evolved to have less hair and more sweat glands than chimpanzees and macaques.

Small white dots on the scalp seen with a dermoscope correspond to sweat ducts and vary with different hair disorders.

Enlarged sweat gland ducts may indicate scarring hair loss.

Widened sweat ducts are a very specific sign of scarring hair loss.

A 12-year-old boy in rural south India had a rare skin condition causing hair loss and inability to sweat.

Aging causes sweat glands to shrink, leading to skin issues, and blue light can help hair grow.

A woman with hair loss had a benign sweat duct tumor found during a scalp biopsy.

Boys with less severe EDA mutations in XLHED have milder symptoms and better sweat and hair production.

A rare case of scleredema in a diabetic woman showed loss of sweat glands, causing heat strokes, with treatment only slightly improving symptoms.

Hair analysis showed very high metformin levels in two fatal overdose cases, suggesting it's useful in forensics but sweat may affect results.

Lasers are effective for some skin conditions but can cause side effects like scarring and pigment changes; careful selection is important, and botulinum toxin type A is successful in reducing sweat in palmar hyperhidrosis.

Low-dose acitretin helps nail psoriasis, stem cells may treat scarring alopecia, Chinese men have lower baldness rates, lateral foldplasty is good for ingrown toenails, hair diameter helps diagnose female baldness, childhood trauma linked to alopecia areata, certain hair-weaving leads to scalp conditions in African American women, and new methods for hair research and understanding hair and sweat gland development were introduced.

Certain skin drugs and topical agents, including some natural extracts and fragrances, can cause allergic reactions. Some hair dyes and extensions, as well as minoxidil, a hair growth treatment, can also cause allergies. Botulinum toxin A can effectively reduce sweat but may have temporary side effects.

Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.

Apoptosis is essential for human skin development and forming a functional epidermis.

Creating fully functional artificial skin for chronic wounds is still very challenging.

Different types of stem cells and their environments are key to skin repair and maintenance.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.

Giving a special protein to dogs with a certain genetic disease improved their symptoms but didn't help with hair growth.

Different types of skin pores should be identified correctly and evaluated with suitable methods for reliable results.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

Progress has been made in skin and nerve regeneration, but more research is needed to improve methods and ensure safety.

Advanced human skin models improve drug development and could replace animal testing.

Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.