Skin Biology & Structure
Explore the layers of the skin, the cells that maintain it, and the biological systems responsible for barrier function, structural integrity, and continual renewal.
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Skin Anatomy
Skin is the body's largest organ and serves as a protective barrier against the external environment.
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Epidermis
The epidermis is the outermost layer of skin and continually renews through keratinocyte turnover.
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Dermis
The dermis contains collagen, elastin, fibroblasts, blood vessels, and connective tissue.
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Skin Barrier
The skin barrier regulates water balance and protects against environmental stressors.
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Keratinocytes
Keratinocytes are the primary cells of the epidermis and contribute to barrier function.
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Fibroblasts
Fibroblasts produce collagen, elastin, and extracellular matrix proteins.
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Compounds Commonly Studied in This Area
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