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