Share this: The meaning of the name Hannah is Grace. The origin of the name Hannah is Hebrew. This is the culture in which the name originated, or in the case of a word, the language. Nicknames for the name Hannah include Han, Hannie, and Nah-nah. The name is also often spelled Hanna, without the H.
Layers of the Skin. The Epidermis. The epidermis is the outermost layer of the skin, and protects the body from the environment. The thickness of the epidermis varies in different types of skin; it is only .05 mm thick on the eyelids, and is 1.5 mm thick on the palms and the soles of the feet.
The skin is composed of two layers known as the epidermis and dermis. The epidermis, or outer layer of the skin, acts as the skinâs primary defense against the environment. As a result, these layers sustain the most damage. The dermis, or innermost layer, is responsible for providing structure and support to the skin.