The thinner outer layer of skin is called the epidermis. It serves as the body's first line of defense against environmental factors and is composed primarily of keratinocytes, which produce the protein keratin. The epidermis is avascular, meaning it does not contain blood vessels, and relies on the underlying dermis for nutrients and support.
The stratum corneum is the tough outer layer of the skin.
skin
The outer layer of the skin is called the epidermis, and the outer layer of a plant is called the epidermis as well. Both serve protective functions for their respective organisms.
The layer of rock that forms the Earth's outer skin is called the crust. It is divided into two types: the continental crust, which is thicker and less dense, and the oceanic crust, which is thinner and more dense.
skin
Viper's are covered with an outer layer of scales.
The outer layer of the skin, called the epidermis, is mostly made up of dead skin cells called keratinocytes. However, the deepest layer of the epidermis contains living cells that are responsible for producing new skin cells.
skin
The crust
The outer layer of a melon is called a rind.
The epidermis is the outer layer of skin. The dermis is beneath the epidermis.
It's the onion's skin.