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Anatomy Kate > Skin > Flashcards

Skin Flashcards

Back and Thorax

1
Q

What are the 7 functions of the skin?

A

protection
water resistance
sensation
heat regulation
control evaporation
storage/synthesis
absorption

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2
Q

What are the two important layers of the skin?

A

epidermis, dermis

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3
Q

What kind of epithelium makes up the epidermis?

A

stratified squamous

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4
Q

What layer of the skin consists of the connective tissue?

A

dermis

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5
Q

How are the dermis and epidermis connected?

A

basement membrane

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6
Q

What are mechanoreceptors?

A

nerve endings

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7
Q

What is the papillary dermis?

A

thin, superficial area of the dermis adjacent to the epidermis

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8
Q

What is the reticular dermis?

A

deep thicker area below the papillary dermis

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9
Q

What are the 5 sublayers of the epidermis (in order, if present)?

A

stratum corneum
stratum lucidum
stratum granulosum
stratum spinosum
stratum basale

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10
Q

What layer of the epidermis consists of keratinized cells with no nucleus or cytoplasm?

A

stratum corneum

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11
Q

What layer of the epidermis is only present in thick skin (soles of feet, palms)

A

stratum lucidum

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12
Q

What layer of the epidermis is only two to four layers thick of flattened cells?

A

stratum granulosum

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13
Q

What kind of granules are found in the stratum granulosum?

A

keratohaylin granules

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14
Q

What is the main part of the epidermis called?

A

stratum spinosum

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15
Q

What kinds of cells are found in the stratum spinosum?

A

keratinocytes

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16
Q

What is the deepest layer of the epidermis?

A

stratum basale

17
Q

What kinds of cells are in the stratum basale?

A

melanocytes

18
Q

What are keratinocytes?

A

synthesize keratin the stratum spinosum

19
Q

What are melanocytes?

A

synthesize melanin in the stratum basale

20
Q

Where are the Laugerhans cells located?

A

stratum spinosum

21
Q

What kinds of granules are in Langerhans cells?

A

Birbeck granules

22
Q

What are the three phases of wound repair?

A

inflammatory phase
proliferation phase
remodeling phase

23
Q

What happens in the inflammatory phase of wound repair?

A

blood clots form to obtain homeostasis

24
Q

What happens in the proliferation phase of wound repair?

A

new cells are formed (angiogenesis), collagen deposition, wound decreases in size

25
Q

What happens in the remodeling phase of would repair?

A

the collage is remodeled and realigned along tension lines

Anatomy Kate (4 decks)

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