The skin’s anatomy is composed of three layers: the epidermis, the dermis, and subcutaneous tissue. These layers are home to sweat glands, oil glands, hair follicles, blood vessels, and certain ...

This impervious yet permeable barrier, less than a millimeter thick in places, is composed of three layers. The outermost layer is the bloodless epidermis. The dermis includes collagen ...

No matter how long you’re in the air, airplane travel can make skin feel dry and appear dull. Avoid "airplane skin" with ...

The skin contains three layers: The epidermis, dermis and a layer of fatty tissue. Structures within these layers are involved in thermoregulation. Sweat glands in the dermis release more sweat ...

Thick keratin layer would restrict oxygen exchange and water absorption. Amphibians have many mucus glands to reduce water loss. As a result of this skin, they are restricted to moist, humid habitats.