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MSK > Connective Tissue > Flashcards

Connective Tissue Flashcards

1
Q

what are reticular fibers/what produces them

A

thin, branched structures typically found in lymphatic tissue

produced by fibroblasts (reticular cells)

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2
Q
A

fibrocye nuclei of dense regular CT

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3
Q
A

type II collagen

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4
Q

Embryonic CT

A

umbilical cord, pulp of developing teeth rich in ECM and mesenchymal cells Wharton’s Jelly

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5
Q

name the cell type

A

plasma cells

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6
Q

loose CT is found

A

mucosa/subucosa of various organs, surrounding blood vessels, nerves, muscles

Tunica adventitia of BV

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7
Q

label

A

left down: collagen fibers, elastic fibers, mast cells, ground substance

right arrow: fibroblasts

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8
Q

label arrows

A

blue: elastin
purple: fibrillin

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9
Q

elastic fibers are formed by

A

fibroblasts (in skin and tendons), chondroblasts (in elastic cartilage) and smooth muscle cells (in blood vessels and the respiratory tract)

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10
Q

where was this sample taken from

A

cornea, dense reg CT

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11
Q

where was this sample taken from/what type of CT

A

tunica adventitia of the aorta, elastic CT

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12
Q
A

type IV collagen

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13
Q

mast cell granules contain

A

histamine, heparin, chemotactic mediators

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14
Q

ECM components

A

glycoaminoglycans, proteoglycans, aggregates, hyaluronan, adhesive proteins (laminin, fibronectin, integrins)

nidogen, perlecan, laminen, tIVcollagen, integrin

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15
Q
A

collagen

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16
Q

elastic fibers typically found

A

walls of large BV and ligaments

form discontinuous lamellae around the lumen

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17
Q
A

loose CT

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18
Q

elastic fibers are made of _____ and ______

A

elastin and fibrillin

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19
Q

what type of fibers?

A

elastic

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20
Q

name of macrophages in CNS

A

microglial cells

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21
Q
A

dense irregular CT

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22
Q

plasma cell characteristics

A

well developed rER, golgi, nucleolus

“Cartwheel” nucleus

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23
Q

name the cell type

A

macrophages

24
Q
A

type I collagen

25
Q

name the cell type

A

macrophages

26
Q
A

fat in bone marrow

27
Q
A

reticular CT

28
Q
A

dense irregular CT

29
Q
A

mast cell

30
Q

name the cells

A

fibroblasts

31
Q
A

dense irregular CT

32
Q

dense regular connective tissue found in

A

tendons, ligaments, cornea, fascia

33
Q
A

dermis, dense irregular CT

34
Q

dense irregular CT found in

A

dermis, submucosa of GI

35
Q
A

brown fat

36
Q

white fat vs. brown fat characteristics

A

white fat: unilocular adipocytes, long term energy reserve, “signet rings”

brown fat: multilocular adipocytes, dissipate energy, mitochondria rich, numerous lipid deposits

37
Q

name of macrophages in liver

A

kupffer cells

38
Q
A

plasma cells

39
Q
A

reticular CT

40
Q

name the cell type

A

macrophages

41
Q

structure of collagen?

A

three chain fibrous protein, form a triple helix braided coiled-coil for tensile strength

42
Q

name of macrophages in bone

A

osteoclasts

43
Q
A

collagen fibers of dense regular CT

44
Q

where was this sample taken from

A

ligament, dense reg CT

45
Q
A

dense irregular CT

46
Q

Type II collagen tissues and characteristics

A

hyaline and elastic cartilage

thinner fibrils

fibrillar

47
Q
A

elastic CT

48
Q

Type III collagen tissues and characteristics

A

Reticular lamina of basement membranes

reticular fibers

fibrillar

49
Q

which type of collagen

A

type III collagen

50
Q

Type IV Collagen tissues and characteristics

A

basal lamina

does not form bundles

non-fibrillar

51
Q

Type V Collagen tissues and characteristics

A

fetal amnion and chorion, muscle and tendon sheaths

does not form banded fibrils

fibrillar

52
Q
A

white fat

53
Q

where was this sample taken from

A

fascia, dense reg CT

54
Q

name the dark purple cells

A

mast cells

55
Q

where was this sample taken from

A

tendon, dense reg CT

56
Q

Type I collagen tissues and characteristics

A

bone, tendon, dentin

banded fibers for tensile strength

fibrillar

57
Q
A

loose connective tissue

MSK (13 decks)

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