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10 Cards in this Set
- Front
- Back
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stratum corneum
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15-30 rows dead cells, top layer, waterproof covering
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stratum lucidum
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found in thick skin only, clear, keratinocytes flat, packed together
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stratum granulosum
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darkly stained, 3-5 rows of keratinocytes that stopped dividing, synthesis of keratohyalin and keratin
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stratum spinosum
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8-10 rows of spiny shaped keratinocytes held together by desmosomes, langerhans cells function in immune response
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langerhans cells
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attack microorganisms that enter superficial layers
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stratum germinativum or basale
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single layer attached to basement membrane, separates epidermis from dermis, forms epidermal ridges, location of melanocytes
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papillary layer
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made of areola ct, contains capillaries and sensory nerves, contain papillae, makes fingerprints
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reticulater layer
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composed of dense irregular ct, contains sensory receptors, blood vessels, and hair follicles, make "lines of clevage"
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hypodermis
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composed of areolar ct and adipose tissue
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lines of clevage
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collagen and elastic fibers are arranged in parallel bundles, oriented to resist forces applied to skin during movement
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