Section 1
The Skin
Book
Version 29
By Boundless
By Boundless
Boundless Anatomy and Physiology
Physiology
by Boundless
4 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/1725/square/skin-layers.jpg)
What is Skin?
The skinĀ is the soft outer covering of vertebrates that guards the underlying muscles, bones, ligaments, and internal organs.
![Thumbnail](../../../../../../figures.boundless-cdn.com/1732/square/771px-skin-layers.jpg)
Structure of the Skin: Epidermis
The epidermis includes five main layers: the stratum corneum, stratum lucidium, stratum granulosum, stratum spinosum, and stratum germinativum.
![Thumbnail](../../../../../../figures.boundless-cdn.com/5146/square/800px-skin-layers.jpg)
Structure of the Skin: Dermis
The dermis consists of a papillary and a reticular layer that serve to protect and cushion the body from stress and strain.
![Thumbnail](../../../../../../figures.boundless-cdn.com/5147/square/illu-skin02.jpeg)
Skin Color
Skin color is determined largely by the amount of melanin pigment produced by melanocytes in the skin.