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Skin Cancer
Skin Cancer Defined
The skin is the body's largest organ. It has two main layers: the
inner layer, called the dermis, and the outer layer, called the
epidermis. The dermis contains sweat glands, nerves, hair
follicles, and blood vessels. The epidermis forms the protective,
waterproof layer of the skin. The very top of the epidermis, which
is called the stratum corneum, is made up of dead cells that have
moved their way up through the other layers.
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