Integumentary System Anatomy & Physiology Flashcards

1
Q

Nerve Fibers

A

Send signal to brain

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2
Q

Grafting

A

Taking piece of your own skin or donor skin & transplanting it hurts I affected side to grow and repair

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3
Q

What are the three main skin layers?

A

Epidermis , dermis, and subcutaneous

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4
Q

Epidermis

A

Outermost layer of skin

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5
Q

Stratum corneum

A

Surface layer; barrier against infections

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6
Q

Stratum Lucidum

A

Just below stratum corneum; on palms and soles of feet ONLY.

Provides additional protection for high use areas

Cells appear clear in this layer

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7
Q

Stratum granulosum

A

The layer cells begin protection process and distributed among layers.

Produces melanin

First layer not to be nourished by dermis

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8
Q

Keratin

A

Substance that constitutes skin, hair, and nails

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9
Q

Stratum spinosum

A

“Prickle layer” for spiny texture

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10
Q

Stratum basale

A

Final & deepest layer; renews epidermal cells

Composed of basal cells

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11
Q

Dermis

A

Lies under epidermis and is much thicker

“True skin” because contains blood & lymph vessels and nerve fibers

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12
Q

Fibroblast Cells

A

Produce fibers that help repair injuries

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13
Q

Phagocytic Cells

A

Protect body by swallowing foreign materials such as bacteria

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14
Q

Mast cells

A

Contain histamine & heparin

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15
Q

Histamine

A

Produces allergic reaction

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16
Q

Heparin

A

Prevents blood clotting

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17
Q

Collagen

A

Gluey protein in skin, connective tissue, bones, cartilage, tendons, & ligaments

Fibers provide skin with strength and elasticity

Skin can stretch and return to its normal shape again

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18
Q

Stretch marks

A

Linear marks caused by broken overstretched collagen fibers

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19
Q

Touch receptors

A

Closer to epidermis so it can detect very delicate surface changes

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20
Q

Pressure receptors

A

Deeper in epidermis ; why we can press on something firmly without discomfort

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21
Q

Subcutaneous/ Hypodermal

A

Connective tissue layer that attaches skin to muscles and to other tissues lying beneath skin

Technically NOT part of integumentary system because it’s made of connective tissue

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22
Q

Fascia

A

Tissue that provides support and protection of organs

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23
Q

Lipocytes

A

“Fat cells” stored in subcutaneous layer in andipose tissue

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24
Q

Andipose tissue

A

Made up of adipocytes

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25
Q

What is the sole purpose of lipocytes?

A

To manufacture and store large quantities of fat

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26
Q

Sweat Gland

A

Located deep in dermis layer; very close to subcutaneous layer

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27
Q

Eccrine

A

Numerous, important and widespread through body; tiny coiled tubes reach epidermis through pores

Produce watery sweat

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28
Q

Apocrine

A

Primarily in axillae ( armpits) and in pigmented skin areas around genitals

Thicker, milky secretion that can be odorous

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29
Q

Mammary Gland

A

Modified sweat gland; secretes milk only after birth of child

30
Q

Ceruminous Gland

A

Located in skin that lines external auditory canals (ears)

Secretes earwax or cerumen

31
Q

Sebaceous Gland

A

Located in dermis; attached to hair follicles

Secretes oily substance (sebum)

32
Q

Sebum

A

Oils hair, lubricates skin, and prevents water loss

33
Q

What are the four basic parts of our hair?

A

1- Hair shaft
2- Hair root
3- Hair follicle
4- Papilla

34
Q

Hair shaft

A

Visible part of hair

35
Q

Hair root

A

Embedded in dermis

36
Q

Hair follicle

A

Bulblike attachment at the end of hair. Consists of root and coverings

37
Q

Papilla

A

Loop of capillaries enclosed within connective tissue

38
Q

Function of Nails

A

Protect ends of fingers and toes
Provides physical support to fingertips to allow you to pick up small objects

39
Q

Nails

A

Hard, keratin filled plates composed of tightly cemented horny cells

40
Q

Lunula

A

White crescent at the base of nail

41
Q

Cuticle

A

Narrow band of epidermis that extends from nail wall onto surface

42
Q

Pruritis / itching

A

Histamine release form skin cells in response to allergic reaction

43
Q

Erythema / redness

A

Caused by increased blood flow to affected area of skin

44
Q

Edema / swelling

A

Fluid buildup in affected skin area

45
Q

Scaling

A

Excess keratin buildup in epidermis layer of skin

46
Q

Lesion

A

Circumscribed area of diseased skin tissue

47
Q

Ulcers

A

Open lesions; torture damage in skin layers

48
Q

Hives

A

Raised, irregularly shaped skin eruptions with red margins and pale centers; results from allergic reaction

49
Q

Bacterial infection

A

Caused by bacteria; severe infections may require drainage of infected wounds and hospitalization

50
Q

Generic for Zithromax

A

Azithromycin

51
Q

Bacitracin

A

Bacitracin

52
Q

Bacitracin / neomycin / polymxyin B

A

Neosporin, Triple antibiotics

53
Q

generic for Keflex

A

Cephalexin

54
Q

Generic for Cipro

A

Ciprofloxacin

55
Q

Generic for Bactroban

A

Mupirocin

56
Q

Generic for Vancocin

A

Vancomycin

57
Q

Fungal infections

A

Caused by fungi; skin surfaces exposed to sweat are at higher risks of acquiring fungal infections

58
Q

Generic for Nystop

A

Nystatin

59
Q

Generic for Diflucan

A

Fluconazole

60
Q

Generic for lotrimin

A

Miconazole

61
Q

Generic for Lamisil

A

Terbinafine

62
Q

Generic for Ambisome

A

Amphotericin B

63
Q

Viral Infections

A

Caused by viruses; highly contagious and sometimes require isolation. Sometimes patients provided supportive care until infection runs it’s course

64
Q

Generic for Zovirax

A

Acyclovir

65
Q

Generic for valtrex

A

Valacyclovir

66
Q

Generic for Famvir

A

Famciclovir

67
Q

Generic for Cytovene

A

Ganciclovir

68
Q

Generic for Vistide

A

Cidofovir

69
Q

Parasitic infections

A

Caused by parasite

70
Q

Generic for Kwell

A

Lindane

71
Q

Generic for elimite

A

Permethrin

72
Q

Generic for Eurax

A

Crotamiton