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Skin Structure and Functions - Maricella M.
maricellamartinez23
Created on March 13, 2024
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Layers, cells, and structures of the skin - Flashcards
Created By: Maricella Martinez
Integumentary System
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Consists of the skin and its accessory structures, providing overall body protection.
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Epidermis
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The superficial layer of the skin, is composed of Keratinized stratified squamous epithelium with multiple layers.
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Keratinocytes
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Cells in the epidermis that manufacture and store the protein Keratin
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Stratum Basale
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Deepest epidermal layer, primarily made of skin stem cells
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Dermal Paillae
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Finger-like projections in the dermis increase the strength of the connection between epidermis and dermis.
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Tactile Cell
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Receptor cells in the stratum basale are cells responsible for touch sensation.
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Melanocyte
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Cell in the stratum basale that produces the pigment melanin.
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Desmosome
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Structure that joins cells in the stratum spinosum and strengthens cell bonds.
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Dendritic Cell
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Immune-like cell in the stratum spinosum that functions as macrophage
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Stratum Granulosum
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A layer of the epidermis with a grainy appearance, where keratinocytes begin to die
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Lamellar Granules
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Proteins produced in the stratum granulosum give the layer its grainy appearance
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Adipose Tissue
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Fat storage tissue in the hypodermis
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Melanocytes
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Cells producing melanin scattered in stratum nasale
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Collagen Fibers
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Provide structure and tensile strength to the skin
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Phagocytes
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Defensive cells fighting skin infections
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Dermis
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Layer with blood vessels, nerves, hair follicles, and glands
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Elastin Fibers
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Provide elasticity to the skin
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Papillary Layer
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Superficial dermis layer with dermal papillae and blood vessels
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Reticular Layer
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Thicker dermis layer rich in connective tissue and structures
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Epidermal water barrier
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Special region between strata granulosum and spinosum
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