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Skin cross-section, showing the epidermis, dermis, perichondrium, elastic cartilage, a myelinated nerve fiber, and a muscular artery. Colorised SEM X160.

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BN1637: Skin Layers

SEM of Human Skin. The top layer of the epidermis is composed of flattened, dead skin cells that form the surface of the skin. The dead cells from this layer are continuously being shed and replaced by cells from the living epidermal layer below it (red). The lowest layer (not seen here) is the dermis. The skin is the body's largest organ, accounting for around 15% of the body's weight. © Eye of Science/Science Source #sem #micrograph #skin #medical #sciencephotos #stockimages…

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Collagen fibres. Coloured scanning electron micrograph (SEM) of collagen from the dermis of the skin. Collagen is a protein with a high tensile strength.

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The integumentary system consists primarily of the skin. The skin performs a variety of functions such as protection, water balance, temperature regulation, excretion, and shock absorption. The skin is only a few millimeters thick yet it is by far the largest organ in the body and consist of 3 major layers the epidermis, the dermis, and the subcutaneous layers. http://MedicTests.com

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Layers of the skin project! By: Tatiana Wallace, Candy corn: stratum corneum, Clear gummy bears: stratum lucidum, Nerds:stratum granulosum, Night crawlers: stratum spinosum, Blackberry candy: stratum basale (germatavum), Boston baked beans: dermis, Lemon heads: subcutaneous layer, Hair: sour punch straws

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