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Anatomy > Epidermis > Flashcards

Epidermis Flashcards

0
Q

Stratum corneum

A

Many layers of dead, scaly, keratinized cells. Accounts for 3/4 of the epidermal thickness.

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1
Q

What are the layers of the epidermis from top to bottom?

A 
Stratum corneum
Stratum lucidum
Stratum granulosum
Stratum spinosum 
Stratum basale
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2
Q

Stratum lucidum

A

A thin translucent zone, and may contribute to fingerprints.

ONLY IN THICK SKIN

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3
Q

Stratum granulosum

A

3-5 layers of flat keratinocytes.

Keratinocytes burst to waterproof skin

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4
Q

Stratum spinosum

A

Consists of several layers of keratinocytes dividing and pushing their way to the surface.

Langerhans are found here

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5
Q

Stratum Basale

A

Single cuboidal layer of 3 types of cells which divide to make new epidermal cells.

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6
Q

Epidermis

A

Keratinized stratified squamous epithelium

Keratinocytes, melanocytes, merkel cells, & langerhans

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7
Q

Dermis

A

The dermis regulates temperature and supplies the epidermis with nutrient-saturated blood. It contains most of the skin’s specialised cells and structures such as blood vessels, hair follicles, nerve endings, lymph vessels and sweat glands.

Thicker than epidermis

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Anatomy (14 decks)

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