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William Greenwood > integumentary system > Flashcards

integumentary system Flashcards

1
Q

Integumentary System Main Organs

A

Hair, skin, nails

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2
Q

Function #1

A

protection

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3
Q

Function #2

A

sensory function

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4
Q

Function #3

A

thermoregulation

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5
Q

Function #4

A

vitamin D synthesis

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6
Q

Skin

A

made up of multiple layers of cells and tissue which are held together by underlying structures.

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7
Q

Epidermis

A

the top layer of the skin

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8
Q

Dermis

A

the middle layer of the skin

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9
Q

Hypodermis

A

the bottom layer of the skin

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10
Q

Keratin

A

Fills dead cells

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11
Q

Keratinocyte

A

the cells in all layers of skin except stratum basale

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12
Q

Stratum basale

A

Deepest epidermal layer and it attaches the epidermis to the basal lamina

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13
Q

Stratum spinosum

A

they are spiny in appearance

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14
Q

Stratum granulosum

A

they have a more grainy appearance than stratum spinosum,

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15
Q

Stratum lucidum

A

smooth, translucent layer of the epidermis

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16
Q

Stratum corneum

A

the most superficial layer of the epidermis, it is exposed to the outside environment

17
Q

thin skin

A

layers 1,3,4,5

18
Q

thick skin

A

layers 1-5 on hands and soles of feet

19
Q

hair

A

a filament growing out of the epidermis

20
Q

hair follicle

A

where strands of hair originate

21
Q

hair shaft

A

the part of the hair not anchored to the follicle

22
Q

hair root

A

the part of the hair that lies below the skin

23
Q

free edge

A

the white area of the nail that goes off the end of the finger.

24
Q

lunula

A

crescent shaped region at the opposite end of the nail

25
Q

eponychium

A

the nail fold that meets the proximal end of the nail body

26
Q

nail root

A

where the nail body forms

27
Q

pores

A

small holes at the top of the skin where sweat exits the body.

28
Q

apocrine sweat glands

A

associated in hair follicles in hairy areas

29
Q

eccrine sweat gland

A

produces a hypotonic sweat for thermoregulation.

30
Q

superficial to deep #1

A

stratum corneum

31
Q

superficial to deep #2

A

stratum lucidum

32
Q

superficial to deep #3

A

stratum granulosum

33
Q

superficial to deep #4

A

stratum spinosum

34
Q

superficial to deep #5

A

stratum basale

William Greenwood (5 decks)

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