Front | Back |
Integumentary system
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Skin, hair, nails, glands
blood vessels, nerves and sensory organs |
Epidermis
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Uppermost portion of skin
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Strata
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Layers of epidermis
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What makes up the epidermis?
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No blood vessels and is made entirely of epithelial cells
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Dermis
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True skin
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What makes up the dermis?
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Connective tissue framework, blood vessels, nerve endings and glands
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Where are new epidermal cells produced?
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Stratum basale
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What's another name for the stratum basale?
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Germinativium
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What is keratin?
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A protein that serves to thicken and protect the skin
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What is the uppermost layer of the epidermis?
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Stratum corneum
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Is the stratum corneum deeper in thick skin or thin?
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Thick
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What is exfoliation?
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The loss of cells from the surface of tissue, such as skin
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Where is melanin produced?
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Stratum basale
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What is melanin?
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A dark pigment that colors the skin and protects it from the harmful rays of sunlight
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What are the cells that produce melanin?
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Melanocytes
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