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Foundation concepts > Connective Tissue > Flashcards

Connective Tissue Flashcards

1
Q

Where is it found?

A

Around body

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2
Q

What is the origin of connective tissues?

A

Embryonic mesenchyme- week 1-3 embryonic development.

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3
Q

What is the function of connective tissue?

A
  • bind cell together
  • support and strengthen tissue
  • insulate
  • medium of diffusion
  • energy reserve
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4
Q

What is the composition of connective tissue?

A

ECM + cells

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5
Q

True or false- ECM is found between a cell.

A

True.

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6
Q

What is ECM made of?

A

Protein fiber + ground substance

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7
Q

What make ECM special?

A

Vascular + has nerves

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8
Q

What is exception of connective tissue that has no blood supply or ECM.

A

Tendon + cartilage

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9
Q

Whats the features of ground substance?

A

variable consistency + complex combination

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10
Q

Whats the 3 purpose of ground substance?

A

medium of diffusion + lubricant + store water

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11
Q

What are mesenchymal cells involved in connective tissue?

A

fibroblast + adipocyte

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12
Q

What are hematopoietic cells involved in connective tissue?

A

macrophage (engulf bacteria) , plasma (antibodies) , mast cell (histamine) and leucocytes (eosinphil)

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13
Q

What are the types of fibers?

A

collagen, reticular and elastic

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14
Q

What makes fibers?

A

fibroblast

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15
Q

True or false- reticular is made of collagen type 2

A

False- type 3

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16
Q

True or false- elastin in thinner than collagen type 1

A

True

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17
Q

Whats the purpose of reticular fiber?

A

Support organs

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18
Q

Whats the purpose of collagen fiber?

A

key elements of CT

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19
Q

Whats the purpose of elastin fiber?

A

ELASTICITY

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20
Q

Where is elastic?

A

form branching networks

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21
Q

What is the classification of connective tissue?

A

mature & embryonic

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22
Q

What are the classification of embryonic connective tissue?

A

mesenchyme and mucus

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23
Q

What is mucus made of?

A

Hyaluronic acid, collagen fiber and spindle shaped cell

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24
Q

Where is mucus embryonic tissue found?

A

umbilical chord

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25
Q

Which fiber is mucus made of?

A

collagen

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26
Q

Which fiber is mesenchyme?

A

reticular

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27
Q

True or false- mesenchyme have gap junctions.

A

true

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28
Q

What are the classification of proper connective tissue?

A
  • Loose/aroler
  • Dense regular
  • Dense irregular
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29
Q

Which has more collagen- loose or dense?

A

dense

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30
Q

True or false- Loose has collagen and elastic fiber

A

true

31
Q

Whats the purpose of loose tissue?

A

Support epithelial

32
Q

Whats purpose of dense tissue?

A

stress resistant & protection.

33
Q

Whats the difference between the fibers dense regular or dense irregular?

A

Dense regular: parallel pattern

Dense irregular: interwoven pattern

34
Q

Where is loose connective tissue found?

A

Widely distrubuted

35
Q

Where is dense regular connective tissue found?

A

tendon and ligament

36
Q

Where is dense irregular connective tissue found?

A

heart & dermis of skin

37
Q

True or false- Loose is more flexible than dense.

A

True

38
Q

What are the 4 types of specialized tissue?

A

reticular, adipose, bone and cartilage

39
Q

Whats the purpose of reticular tissue?

A

support cell type

40
Q

What cell and fibers is reticular tissue made of?

A

reticular fibers and reticular cells

41
Q

Where is the location of reticular tissue?

A

Spleen, stroma of liver and lymph node.

42
Q

What is the purpose of adipose tissue?

A

energy storage & insulation

43
Q

What is adipose made of?

A

adipocyte, reticular fiber and CT septa

44
Q

What is the type of adipose tissue?

A

White & brown

45
Q

Which adipose has a large lipid droplet?

A

White droplet

46
Q

Which adipose has a mitochondria?

A

brown adipose

47
Q

What does white adipose tissue produce?

A

Hormone, cytokine and growth factor

48
Q

True or false- brown adipose is only found in babies

A

true

49
Q

What is cartilage made of?

A

ECM but no neruovascular bundle

50
Q

Whats the three type of cartilage?

A

hyaline, fibro & elastic

51
Q

Whats the strongest cartilage?

A

fibro

52
Q

Whats the most elastic cartilage?

A

elastic

53
Q

Whats the most abundant cartilage?

A

hyaline

54
Q

Which cartilage isnt made of elastin?

A

hyaline and fibro

55
Q

Whats the nucleus in all cartilages?

A

hyaline: flat
fibro: circular
elastic: visible

56
Q

Whats the function of elastic cartilage?

A

Being flexible

57
Q

Whats the function of fibrocartilage?

A

resistant to compression

58
Q

Whats the function of hyaline cartilage?

A

friction

59
Q

Whats location of hyaline cartilage?

A

joint, respiratory passage, rib and epiphyseal plate of long bone

60
Q

Whats location of fibrocartilage?

A

intervertebral disc

61
Q

Whats location of elastic cartilage?

A

auricle of ear

62
Q

Which cartilage has lowest repair?

A

hyaline

63
Q

What cells make bone?

A

osteocyte (tissue)
osteoblast (matrix)
osteogenic cell (stem)
osteoclast (resorbs bone)

64
Q

What is matrix of bone?

A

organic (collagen) and inorganic

65
Q

What are bone shape types?

A

long, short, irregular and flat

66
Q

What are types of bones?

A

compact and spongy

67
Q

What is compact made of?

A

osteon and marrow cavity

68
Q

What is spongy made of?

A

No osteon

69
Q

Which is lighter- spongy or compact?

A

spongy

70
Q

Where is compact bones found?

A

outer layer of long bone

71
Q

Where is spongy bones found?

A

everywhere

72
Q

What happens when one ages?

A

less collagen or elastin due to less fibroblast - tissue wears out.

73
Q

Why do tissues heal faster in young adults?

A

nutritional state- optimum blood supply.

Foundation concepts (9 decks)

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