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Cards In This Set
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Largest organ of the body with 15% of body weight:
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Skin
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What are the two layers of the skin?
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Epidermis
dermis
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Epidermis is the outer layer of ___________________.
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Stratified squamous epithelium
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Deeper connective tissue layer
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Dermis
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What are the layers of the Epidermis?
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Stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale,
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Single layer of cuboidal or low columnar cells.. receives nutrient from connective tissue beneath. deepest layer. 4 types of cell.
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Stratum Basale
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Cells that divide rapidly
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Stem cells
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Cells that produce a tough fibrous protein
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Keratinocytes --> Keratin
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Cells that produce a protective pigment
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Melanocytes--> Melanin
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Cells that sense touch
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Merkel or tactile cells
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Melanin that is black/brown
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Eumelanin
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Reddish-yellow
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Pheomelanin
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2nd deepest layer, superficial to the stratum basale, thickest layer, contains more living kerotinocytes
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Stratum spinosum
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Kertotinocytes of the stratum spinosum produce more _____ as they go to the surface causing the cells to flatten.
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Keratin filaments
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Stratum spinosum contains cells that alert the immune system to foreign invaders these are called:
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Dendritic (Langerhans) cells
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