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False-colour SEM of the surface of human skin
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False-colour SEM of the surface of human skin
False-colour scanning electron micrograph (SEM) of the surface of human skin, showing a hair penetrating the outer layer of squamous cells that comprise the epidermis. The hair is covered by a modified cellular layer known as the hair cuticle; these cells are highly flattened & partially overlap one another. The epidermal cells are composed of the protein keratin, which provides a tough, uninterrupted covering over the body surface; keratin serves as a waterproofing material & is impermeable to many disease organisms. Magnification: X 400 at 35mm size
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Media ID 6454597
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This false-colour scanning electron micrograph (SEM) offers a mesmerizing glimpse into the intricate surface of human skin. The image showcases a hair gracefully piercing through the outer layer of squamous cells that form the epidermis, our body's protective shield. Surrounding this hair is a specialized cellular layer called the hair cuticle, consisting of highly flattened cells that partially overlap each other. Composed primarily of keratin, an essential protein, these epidermal cells create a robust and unbroken covering over our entire body surface. Keratin not only provides toughness to withstand daily wear and tear but also acts as an impermeable barrier against numerous disease-causing organisms. Its remarkable waterproofing properties further contribute to maintaining our overall health and well-being. At 400 times magnification on a 35mm scale, this SEM print from Science Photo Library allows us to appreciate the intricacies hidden within our own skin. It serves as a reminder of the incredible complexity underlying even seemingly ordinary aspects of our anatomy.
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