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The conclusion is that using light-sheet fluorescence microscopy with a special solution can effectively create detailed 3D images of human skin for dermatological research.

Aging causes sweat glands to shrink and move upward, leading to less elastic skin and more wrinkles.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

Forehead creases are formed by a tight connection between the skin and muscle through dense fibers, with changes in skin thickness and fewer skin appendages near the creases.

Both changes in genes and environmental factors like diet and toxins can significantly affect the growth of skin appendages like hair, but how these factors interact is still unclear.

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

Hair tourniquet syndrome in infants can be treated successfully with immediate hair removal.

A hair tightly wrapped around a toddler's toe caused severe crying and was treated by surgery.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

Bioprinting could improve wound healing but needs more development to match real skin.

New molecules involved in skin and hair growth were identified, improving understanding and future treatments.

Bismuth subgallate and borneol together improve skin wound healing better than when used separately or compared to other treatments.

The conclusion is that understanding how feathers and hairs pattern can help in developing hair regeneration treatments.

Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.

Scientists discovered that certain stem cells from mice and humans can be used to grow new hair follicles and skin glands when treated with a special mixture.

Testosterone applied to rabbit skin increases skin cell growth and changes skin structure.

A hydrogel made from pig fat helps wounds heal faster by regenerating skin fat cells.

The hydrogel with silver and mangiferin helps heal wounds by killing bacteria and aiding skin and tissue repair.

Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.

Connexin 30 is usually absent in normal skin but can appear in certain skin conditions.

A new mutation in the XEDAR gene might cause a rare skin condition called hypohidrotic ectodermal dysplasia.

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

Older mice have stiffer skin with less elasticity due to changes in collagen and skin structure, affecting aging and hair loss.

The new wound dressing promotes cell growth and healing, absorbs wound fluids well, and is biocompatible.

Chicken feather gene mutation helps understand human hair disorders.

A man from Brazil had a rare case of leprosy on his scalp, which improved with treatment.

Skin structure complexity and variability are crucial for assessing skin toxicity in safety tests.

Using gelatin sponges for deep skin wounds helps bone marrow cells repair tissue without scarring.

The Aligned membranes improved wound healing and hair growth with a better immune response in mice.

A new hydrogel with micronized amnion helps achieve better, scar-free skin healing.