The trade-off of this hardy external layer is that it doesn't expand; it remains relatively inflexible and constricts the ...

The skin consists of two primary layers. The epidermis, the outermost layer, is predominantly made up of keratinocytes, while the deeper dermis contains blood vessels, nerves, and structural ...

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 ...

They discovered that keratinocytes, the surface cells of the skin, are responsible for producing collagen, which is then transferred deeper to form the dermis. Later, fibroblasts migrate into this ...