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ANAPHY > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q
  • is composed of keratinized stratified squamous epithelium
A

Epidermis

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2
Q
  • is mostly dense (fibrous) connective tissue
A

Dermis

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3
Q

Integumentary system consists of the:

A

Skin

Skin appendages

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4
Q

Integumentary system Protects the entire body from:

M, C, T, U, M, D

A 
Mechanical damage
Chemical damage 
Thermal damage
Ultraviolet radiation 
Microbes (bacteria)
Desiccation (drying out)
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5
Q

3 kinds of tissue compose the skin

A

Epidermis
Dermis
Hypodermis

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6
Q

subcutaneous layer

A

Hypodermis

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7
Q

Anchors the skin to underlying organs

Composed mostly of adipose tissue

Serves as a shock absorber and insulates deeper tissues

A

Hypodermis

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8
Q

outer layer

Avascular

Capable of being hard and tough

Stratified squamous epithelium

A

Epidermis

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9
Q

Keratinocytes (the most common cell) produce a fibrous protein called ___

A

keratin

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10
Q

Layers of the epidermis (deepest to most superficial)

C, L, G, S, B

A 
Stratum basale
Stratum spinosum
Stratum granulosum
Stratum lucidum
Stratum corneum
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11
Q

also known as stratum germinativum

Deepest layer of epidermis

A

Stratum basale

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12
Q

Wavy borderline with the dermis anchors the two together

Cells undergoing mitosis

Daughter cells are pushed upward to become the more superficial layers

A

Stratum basale

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13
Q

Cells become increasingly flatter and more keratinized

A

Stratum spinosum

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14
Q

Two to five layers of flattened, diamond shaped cells

A

Stratum granulosum

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15
Q

Formed from dead cells of the deeper strata

Occurs only in thick, hairless skin of the palms of hands and soles of feet

A

Stratum lucidum

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16
Q

Outermost layer of epidermis

Shingle-like dead cells are filled with keratin (protective protein prevents water loss from skin)

A

Stratum corneum

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17
Q

a pigment produced by melanocytes

A

Melanin

18
Q

Melanocytes are mostly in the stratum __ of the epidermis

A

basale

19
Q

Color is yellow to brown to black

accumulates in membrane-bound granules called melanosomes

Amount of ___ produced depends upon genetics and exposure to sunlight

A

Melanin

20
Q

Also called Langerhans cells

Alert and activate immune cells to a threat

A

Epidermal dendritic cells

21
Q

Associated with sensory nerve endings

Serve as Merkel discs

A

Merkel cells

22
Q

Serve as touch receptors called

A

Merkel discs

23
Q

Connective tissue

Underlies the epidermis

A

Dermis

24
Q

2 layers of the dermis

A

Papillary layer

Reticular layer

25
Q

upper dermal region

contain dermal papillae

Indent the epidermis above

Many projections contain capillary loops, and others house pain and touch receptors

A

Papillary layer

26
Q

Papillary layer contain projections called

A

dermal papillae

27
Q

On palm and sole surfaces, papillae increase friction and gripping ability

Fingerprints are identifying films of sweat

A

Papillary layer

28
Q

deepest skin layer

Blood vessels

Sweat and oil glands

Deep pressure receptors

A

Reticular layer

29
Q

Deep pressure receptors called as

A

lamellar corpuscles

30
Q

3 pigments contribute to skin color

A

Melanin
Carotene
Hemoglobin

31
Q

Yellow, reddish brown, or black pigments

A

Melanin

32
Q

Orange-yellow pigment from some vegetables

A

Carotene

33
Q

Red coloring from blood cells in dermal capillaries

A

Hemoglobin

34
Q

Oxygen content determines the extent of __ coloring

If it is low, it will result ___

A

red - anemia

35
Q

not enough oxygen

A

Cyanosis

36
Q

deficient oxygen in the tissue

A

Hypoxia

37
Q

 Erythema

 Due to embarrassment, inflammation, hypertension, fever, or allergy

A

Redness

38
Q

 Blanching

 due to emotional stress (such as fear), anemia, low blood pressure, impaired blood flow to an area

A

Pallor

39
Q

 yellow cast

 Indicates a liver disorder

A

Jaundice

40
Q

 black and blue marks

 hematomas

A

Bruises

ANAPHY (11 decks)

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