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 outer layer is called the epidermis; it is a tough protective layer that contains the melanin-producing melanocytes. The second layer (located under the epidermis) is called the dermis; it contains nerve endings, sweat glands, oil glands, and hair follicles.Under these two skin layers is a fatty layer of subcutaneous tissue, known as the subcutis or hypodermis.he skin is a vital organ that covers the entire outside of the body, forming a protective barrier against pathogens and injuries from the environment. The skin is the body's largest organ; covering the entire outside of the body, it is about 2 mm thick and weighs approximately six pounds.