Layers Of The Skin Flashcards

1
Q

Three layers

A

Epidermis, dermis, and subcutaneous

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2
Q

Epidermis does not contain

A

Blood vessels or connective tissue

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3
Q

Epithelial tissues

A

Form a protective covering for all of the internal and external surfaces of the body

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4
Q

Squamous epithelial tissue forms the _____ layer of the epidermis

A

Upper, consists of the flat, scaly cells that are continuously shed

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5
Q

Basal layer location

A

Lowest layer of the epidermis

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6
Q

Basal layer function

A

New cells produced and then pushed upward, when they reach the surface they die and become keratin

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7
Q

Keratin

A

Fibrous, water-repellent protein
Soft keratin= epidermis
Hard keratin = hair and nails

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8
Q

Melanocytes

A

Special cells that are found in the basal cell layer
Produce and contain melanin

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9
Q

Melanin

A

Pigment that determines the color of the skin
Also produces freckles and age spots

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10
Q

Melanin function

A

Protects the skin against UV light

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