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Gen Ana Lecture > Part 4 - The Integumentary System > Flashcards

Part 4 - The Integumentary System Flashcards

1
Q

Includes skin, nails and hairs

A

Integumentary sys

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2
Q

“Cutaneous membrane”

A

Skin

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3
Q

Two main parts of the skin

A

1 epidermis

2 dermis

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4
Q

Surface epithelial layer

A

Epidermis

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5
Q

Deeper connective tissue layer composed of matrix

A

Dermis

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6
Q

Cells and fibers

A

Matrix

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7
Q

Is not part of the skin but it’s a layer of integ sys

A

Deep dermis

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8
Q

Other name for deep dermis

A

Subcutaneous layer, hypodermis

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9
Q

Characterized by keratinized stratified squamous epithelilum

A

Epidermis

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10
Q

4 cell types

A

1 keratinocytes
2 melanocytes
3 langerhans cell
4 merkel cell

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11
Q

Produces keratin

A

Keratinocytes

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12
Q

Produces melanin

A

Melanocytes

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13
Q

Immune response, kills microorganisms

A

Langerhans cell

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14
Q

Sensory function, for body temp

A

Merkel cells

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15
Q

Composed of 90% epidermal cells, 4-5 layers, water-proof skin

A

Keratinocytes

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16
Q

Transfers pigments to keratinocytes, 8% of epidermal cells

A

Melanocytes

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17
Q

Range color of melanocytes

A

Brown to dark

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18
Q

Melanocytes + phagocytes

A

Albinism

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19
Q

Bluish color

A

Cyanosis

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20
Q

4 strata/layers of skin

A

1 stratum basale
2 stratum spinosum
3 stratum granulosum
4 stratum corneum

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21
Q

For production of new cells/mitotic division

A

S basale

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22
Q

Includes stem cells, composed of columnar cells

A

S basale

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23
Q

Also known as STRATUM GERMINATIVUM

A

S basale

24
Q

Means reproduction/division

A

Germination

25
Q

8-10 cell layer, spine like cells

A

S spinosum

26
Q

Keratinized later, contains granular cell

A

Stratum granulosum

27
Q

Water proofing lipid

A

Lamellar granular

28
Q

Lucid, transparent

A

S lucidum

29
Q

Flattened dead cells

A

S corneum

30
Q

Peeling of skin

A

Ecdysis/molting

31
Q

Accessory structure of integ sys

A

1 hair
2 glands
3 nails

32
Q

Found on most skin surfaces

A

Hair

33
Q

Where can you not see the hair

A

Palmar surfaces of the hand and fingers

34
Q

Made of fused keratinized cells

A

Hair

35
Q

Consist of shaft and root, surrounded by hair follicle

A

Hair

36
Q

Exposed part of hair

A

Shaft

37
Q

Embeded part of hair

A

Root

38
Q

This is where hair root plexuses

A

Nerves

39
Q

Arrector pili

A

Muscle

40
Q

Secrets oily sebum

A

Sebaceous gland

41
Q

Keeps the skin moist

A

Sebum

42
Q

Tibes in which hormones flows

A

Duct

43
Q

Other term for sudoriferous gland

A

Oil

44
Q

Wide distribution-thermoregulation

A

Ecrine sweat gland

45
Q

Present only in axilla, groin, areolae and beard

A

Appocrine sweat gland

46
Q

Contains other cell materials and produces pheromes

A

Appocrine SG

47
Q

External auditory canal combine with sebum and produces earwax

A

Ceruminous gland

48
Q

Plates of packed hard dead keratinized cell

A

Nails

49
Q

Mojor visible portion of nail

A

Nail body

50
Q

Part of naik extending past finger or toe

A

Free edge

51
Q

Part of nail not visible

A

Root

52
Q

Functions of integumenraty sys

A 
1 tenperature regulation
2 protection
3 sensory reception
4 excretion and absorption
5 vitamin d synthesis
53
Q

In this stage can develop acne

A

Adolescence

54
Q

Aging

A 
1 adolescnce
2 mostly dermis visible
4 loss of colagen fibers
5 loss of immune response
6 decreased melanocyte function
55
Q

What age starts the only dermis is visible

A

Age of 40

56
Q

Body covering

A

Integumentary system

Gen Ana Lecture (6 decks)

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