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HUBS192 > Skin > Flashcards

Skin Flashcards

1
Q

What is the epidermis

A

Outmost layer of skin

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2
Q

Is the epidermis cutaneous or subcutaneous?

A

Cutaneous

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3
Q

What skin layer is stratified, squamous epithelium

A

Epidermis

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4
Q

Layers of the epidermis

A 
Stratum corneum
Stratum lucidum 
Stratum granulosum
Stratum spinulosum
Stratum basale
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5
Q

What is the dermis?

A

Middle layer of the skin

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6
Q

What is the dermis made up of?

A

Protein fibres for strength (collagen and elastin)

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7
Q

Is the dermis cutaneous or subcutaneous?

A

Cutaneous

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8
Q

What is the hypodermis?

A

Innermost layer of the skin

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9
Q

What is the hypodermis made up of?

A

Adipose tissue

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10
Q

Is the hypodermis cutaneous or subcutaenous?

A

Subcutaneous

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11
Q

What is rickets?

A

A disease causing brittle bones due to little sun exposure

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12
Q

Where is tattoo ink inserted?

A

Dermis

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13
Q

Where does basal cell cancer originate?

A

Stratum basale

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14
Q

Where does malignant melanoma originate?

A

Melanocytes

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15
Q

What are the functions of the skin?

A 
Protection
Thermoregulation
Excretion 
Store fat
Produce vitamin D
Touch, pressure, pain, temp
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16
Q

What happens when skin ages?

A

Less sebum so the epidermis thins and dries out
Less sweat
Less pigmentation
Slower repair

17
Q

What pigments skin?

A

Melanin

18
Q

What are the functions of melanin?

A

Absorb UV light

Protect cells from UV damage

19
Q

How is melanin transferred to epidermis?

A

Melanosomes

20
Q

What is a mole?

A

Cluster of melanocytes

21
Q

What is a freckle?

A

Melanocytes overproduce melanosomes

HUBS192 (2 decks)

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