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Anatomy > connective tissue > Flashcards

connective tissue Flashcards

1
Q

functions of CT

A 
support 
binding 
packing 
separation 
protection 
insulation 
production of blood cells
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2
Q

characteristics unique to CT

A

common origin in mesenchyme
vascularity
ECM

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3
Q

what can the matrix in CT be made of

A
  1. fibre non living collagen elastin fibrillin scleroprotein
  2. ground tissue
    interstisial fluid cell adhesion proteins proteoglycans may be fluid semi fluid gelitanous fibrous calcified
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4
Q

describe collagen

A

some flexibility great strength form parallel thick bundles

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5
Q

describe elastin

A

smaller thinner and yellow great elasticity and flexibility branches form cross connections in skin blood vessel walls and lungs

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6
Q

describe reticular

A

short fine highly branched collagenous fibres coated with glycoprotein form a network called stroma

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7
Q

name the ground substances

A

hyaluronic acid - viscous liquid that binds aids phagocytes migration
chondroitin sulphate - jelly like for support or adhesiveness in cartilage bone shin blood
dermatin sulphate - shin tendons blood heart
keratin sulphate- bone cartilage cornea

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8
Q

name the cells in the CT

A 
immature 
-fibroblast 
-osteoblast
-chondroblast 
mature 
- macrophages 
-mast 
-adipocytes 
-melanocytes 
-mesenchyme
-plasma
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9
Q

whats the difference between cytes and blast

A

cytes Reduced capacity for mitosis & matrix production – Functions in maintenance of the matrix
blast capacity for mitosis & they secrete the matrix

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10
Q

describe fibroblasts

A

large big ER and golgi secrete ECM found along the fibers they synthesis proliferation and migrate to site of injury

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11
Q

describe macrophages

A

develop from WBC large engulf bacteria

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12
Q

describe plasma

A

small round cells b lymphocytes secrete antibodies

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13
Q

describe mast cells

A

secretory granule immune cells found along blood vessels produce histamine and proteases which dilate small blood vessels

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14
Q

describe melanocytes

A

specialised areas like skin and eyes densely packed with melanin granules protecting UV radiation

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15
Q

describe adipocytes

A

lipid in cell in form of cygnet shape shock absorbers insulate energy effector cells for insulin

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16
Q

describe mesenchyme

A

reserve for un differentiated cells can be stimulated to develop into any of the above cells

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17
Q

describe loose CT areolar

A

gel like matrix with all 3 fiber types fibroblast macrophages mast cells and some WBC

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18
Q

function of loose CT areolar

A

wraps and cushion organs inflammation

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19
Q

location of loose CT areolar

A

epithelia of body surrounds capillaries

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20
Q

describe loose CT adipose

A

closely packed adipocytes

21
Q

function of loose CT adipose

A

reserve food fuel insulate support protect organs

22
Q

location of loose CT adipose

A

hypodermis of skin eyeballs breast

23
Q

description of the loose CT reticular

A

network of reticular fibres in a typical loose ground substance

24
Q

functions of the loose CT reticular

A

short internal skeleton that supports other cell types including WBC mast cells and macrophages

25
Q

location of the loose CT reticular

A

lymphoid organ

26
Q

description of the dense ct regular

A

parallel collagen fibres major cell type fibroblast

27
Q

funtions of the dense ct regular

A

attaches muscle to bone or muscle to muscle withstand great force

28
Q

location of the dense ct regular

A

tendons ligaments

29
Q

description of the dense irregular

A

irregularly arranged collagen some elastic fibres cell types is the fibroblast

30
Q

function of the dense ct irregular

A

structural strength withstand tension

31
Q

location of dense ct irregular

A

dermis of skin fibrous capsules of organ

32
Q

elastic tissue description

A

high proportion of elastic fibres

33
Q

Functions of elastic tissue

A

allow recoil of tissues following stretching maintain pulsatile flow of blood through arteries

34
Q

location of elastic tissue

A

walls of arteries within certain ligaments associated with the vertebral column bronchial tube walls

35
Q

what are the 3 main types of cartilage

A

fibours elatic hyaline

36
Q

what are the 3 main types of bone

A

spongy membranous compact

37
Q

describe cartilage

A

cells embodied in matrix of chondroid which is deposited by chondroblasts covered by perichondrium resilient and flexible capable of enduring stress smooth little friction no bloog supply diffusion

38
Q

hyaline description

A

collagen fibres form a network chondroblast produce the matrix

39
Q

functions of hyaline

A

support reinforcement resilience

40
Q

location of the hyaline

A

costal cartilage nose cartilage

41
Q

describe the fibrocartilage

A

similar matrix to hyaline but less firm thick collagen fibres

42
Q

function of the fibrocartilage

A

strength with the ability to absorb shock

43
Q

location of the fibrocartilage

A

intervertebral discs

44
Q

describe the elastic cartilage

A

similar to hyaline cartilage but more elastic in matric

45
Q

function of elastic cartilage

A

maintains shape and structure while allowing great flexibility

46
Q

location of elastic cartilage

A

ear pinna

47
Q

bone osseous description

A

hard calcified matrix containing many collagen fibres well vassalized

48
Q

bone function

A

support levers stores calcium and other minerals and fat in marrow

Anatomy (12 decks)

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