EPIDERMIS

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Written By Tahlia Dickson

what is the epidermis

The epidermis is the outermost layer of the skin. It is composed of multiple layers of dead skin cells that work together to protect the body from environmental damage, such as UV rays, water loss, and infection. The epidermis also helps regulate body temperature and produces oils to keep the skin hydrated.

layers of the epidermis in the skin

The epidermis is the outermost layer of the skin and is composed of five layers:

stratum corneum

stratum lucidum

stratum granulosum

stratum spinosum

stratum basale

The stratum corneum is the layer of dead skin cells that helps form a protective barrier against water loss and environmental damage. The stratum lucidum is a thin layer of clear cells found only in the palms of the hands and soles of the feet. The stratum granulosum consists of several layers of cells that produce keratin, a protein that strengthens the skin. The stratum spinosum layer contains cells that are connected to each other by long, spiny projections. The stratum basale is the innermost layer and is composed of cells that are constantly regenerating and pushing older cells towards the surface.

Tahlia Dickson
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