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Stratum Corneum Anatomy - The Key to Healthy, Attractive Skin

By Heather Brannon, MD, About.com

Updated: July 15, 2007

About.com Health's Disease and Condition content is reviewed by Casey Gallagher, MD

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Stratum Corneum Anatomy - Intercellular Lipids

Free fatty acids and ceramides that are released from the lamellar bodies fuse together in the stratum corneum to form a continuous layer of lipids. Because there are two types of lipids, this layer is referred to as a lamellar lipid bilayer. This lipid bilayer plays a major role in maintaining the barrier properties of the skin and is analagous to the "mortar" in the brick and mortar model.

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