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DMD 5243 > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

Components of the integument

A

Skin, nails, hair, sweat glands, sebaceous glands

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2
Q

functions of the integument

A

Protection, prevent water loss, temp regulation, metabolic regulation, immune defense, sensory receptors, excretion by secretion

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3
Q

3 layers of skin

A

Epidermis, dermis, hypodermis

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4
Q

What is not a part of the integument?

A

hypodermis

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5
Q

What is the dermis and hypodermis made of?

A

connective tissue

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6
Q

What is the epidermis made of?

A

epithelial tissue

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7
Q

5 layers of epidermis

A

Stratum corneum, lucidum, granulosum, spinosum, basale

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8
Q

Which layer of the epidermis is only present in thick areas of skin?

A

Stratum lucidum

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9
Q

Keratinocytes

A

cell type of the epidermis

a hard protein that will protect our skin

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10
Q

Epidermal dendritic cells

A

macrophages

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11
Q

Tactile cells/Merkel cells

A

sensory cells

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12
Q

Melanocytes

A

cells that produce melanin that give us color and will protect us from UV rays

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13
Q

3 major proteins determining skin color

A

hemoglobin, melanin, carotene

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14
Q

Hemangioma

A

benign tumor of blood vessels

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15
Q

Vitiligo

A

depigmentation, melanocytes fail to make melanin or die

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16
Q

Albinismm

A

congenital
lack of pigment
danger of sunburn or skin cancer

17
Q

Fingerprints

A

epidermal ridges

18
Q

Layers of the Dermis

A

papillary
reticullar
vascular and innervated

19
Q

Arrector pili muscle

A

causes our hair to stand up straight when we are cold or scared = goosebumps

20
Q

Cleavage lines

A

orientation of collagen bundles, where a parallel incision will not cause a scar

21
Q

Hypodermis is also known as

A

subcutaneous fat

22
Q

parts of nails

A

free edge
lumula
cuticle
nail matrix

23
Q

3 types of hair

A

lanugo (fetal)
vellus (fine hair, all over body)
terminal (head, pubic region, armpit, facial hair)

24
Q

Structure of hair

A

follicle, root, shaft
contains keratin
arrector pili muscle

25
Q

Exocrine glands

A

sebaceous

sudoriferous

26
Q

sebaceous glands

A

oil glands that produce sebum

27
Q

sudoriferous glands

A

sweat glands
merocrine glands are the most numerous and produce water
apocrine glands produce viscous sweat in the axillary, nipple, anal, and genital areas

28
Q

basal cell carcinoma

A

most common, least dangeous, stratum basale

29
Q

squamous cell carcinoma

A

keratinocytes

30
Q

malignant melanoma

A

most deadly, melanocytes

31
Q

first degree burn

A

epidermis

32
Q

second degree burn

A

epidermis and dermis

33
Q

third degree burn

A

all three layers of skin and more

34
Q

ABCD rule of malignant melanoma detection

A

A - asymmetry
B - border
C - color
D - diameter

DMD 5243 (11 decks)

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