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epithelium
cells covering external and internal surfaces of the body
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epidermis
thin, cellular outer layer of the skin
- Composed of:
- - squamous cell layer
- - basal layer
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squamous cell layer
flat, scale-like epithelial cells comprising the outermost layers of the epidermis
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basal layer
deepest region of the epidermis
- Found in basal layer:
- - melanocyte
- - melanin
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melanocyte
a cell that gives color to the skin
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melanin
dark brown to black pigment contained in melanocytes
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dermis
dense, fibrous connective tissue layer of the skin, aka corium
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sebaceous glands
oil glands in the skin
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sebum
oily substance secreted by the sebaceous glands
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sudoriferous glands
sweat glands
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subcutaneous tissue
connective and adipose tissue layer just under the dermis
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collagen
protein substance found in skin and connective tissue
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hair
outgrowth of the skin composed of keratin
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nail
outgrowth of the skin attached to the distal end of each finger and toe, composed of keratin
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keratin
hard protein material found in epidermis, hair and nails
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