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DVM 2_Histology > Connective Tissue > Flashcards

Connective Tissue Flashcards

1
Q

4 Main types of Tissue

A

Epithelium, Connective tissue, Muscle and Nervous tissue

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2
Q

Predominating component of CT

A

intercellular substance

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3
Q

glycoproteins or glycosaminoglycans, a gel like that fills the spaces between the fibers and cells

A

ground substance

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4
Q

medium through which O2, nutrients and
by-products diffuse

A

ground substance

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5
Q

can be collagen, reticular or elastic fiber

A

fibers

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6
Q

fibers can be

A

can be collagen, reticular or elastic fiber

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7
Q

normal cellular constituents of c.t.

A

resident cells

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8
Q

how many resident cells

A

8

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9
Q

stellate or spindle shaped with cytoplasmic processes; cells of the embryo which transform into different types of adult cells as development progresses

A

mesenchymal cells

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10
Q

most common resident cells of loose c.t.; shape of the cells depend on their
location in the c.t.

A

fibroblasts

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11
Q

in tendons and ligaments, fibroblasts are

A

elongated and fusiform

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12
Q

in loose c.t. , fibroblast is in

A

rounded form

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13
Q

produce _, _ and _ aside form the amorphous
ground substance

A

collagen, elastic and reticular
fibers

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14
Q

similar in form with the mesenchymal cells;

A

reticular cells

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15
Q

mainly found in lymphatic organs where they produce reticular fibers;

A

reticular cells

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16
Q

also called histiocytes or clasmatocytes –have varied shape

A

macrophages

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17
Q

when crowded by other tissue components-they are ___

A

angular

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18
Q

their nucleus is __ and indented on one side of the cell;

A

bean shaped

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19
Q

in loose c.t. , macrophages are __ with bean or indented nucleus

A

rounded

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20
Q

cytoplasm contain granules (believed to be
__)

A

lysosomes

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21
Q

macrophages are derived from the _____ and they have phagocytic function

A

mesenchymal cells or monocytes

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22
Q

size and shape vary greatly in different animals even within the same species

A

mast cells

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23
Q

nucleus rounded, ____ in placement

A

central to eccentrical

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24
Q

granules contain ___ and ___ that cause inflammation (allergy)

A

heparin and histamine

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25
Q

large multinucleated cells

A

foreign body giant cells

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26
Q

FBGC are formed from the fusion of _____

A

monocytes or macrophages

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27
Q

white and brown adipose cells

A

fat or adipose cells

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28
Q

white adipose cells which appear like a ___ with a nucleus bulging slightly from one side of the ring/cell

A

signet ring

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29
Q

in tissue section, adipose cells appear
___ because the fats are dissolved by
alcohol during processing;

A

empty

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30
Q

in tissue section, adipose cells appear
empty because the fats are dissolved by
__ during processing;

A

alcohol

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31
Q

characterized by numerous fat droplets thus, called multilocular

A

brown adipose cells

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32
Q

numerous fat droplets thus, called
__

A

multilocular

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33
Q

BAC are mainly found in __ animals

A

hibernating

34
Q

are stellate cells occurring around a capillary or small vessel where they
intimately in contact with the
lining epithelium

A

pericytes

35
Q

not normally present in the c.t. but generally located in the circulating blood

A

Transient cells (migrant)

36
Q

they invade the c.t. when the need arise;

A

transient cells

37
Q

Some wbc’s

A

neutrophils, monocytes and lymphocytes

38
Q

rounded cells with eccentrically located nuclei

A

Plasma cells

39
Q

round bodies of ___ called
Russel bodies

A

acidophilic material

40
Q

sometime seen in plasma cells which is an indication of degeneration of the cells

A

russel bodies

41
Q

ultrastructurally, plasma cells distinctly
characterized by an ____ which
mean they are protein producer for their
antibody function (Ig)

A

extensive RER

42
Q

melanocytes

A

pigment cells

43
Q

most common and largest fibers

A

collagen fibers

44
Q

pink-staining with H & E and appear as __

A

wavy bundles

45
Q

strong and flexible, yet able to
resist __

A

stretch

46
Q

composed of elastin

A

Elastic Fiber

47
Q

long, thin, straight and branched fibers, when broken
appears like corkscrew

A

elastic fibers

48
Q

Stains more pink than collagen
fibers in ___

A

H&E staining

49
Q

stained with special stains such as
orcein or ___

A

Weigerts resorcin fuschin

50
Q

fibers are short and thin interconnecting with each other forming a net-like arrangement.

A

reticular fibers

51
Q

stained with silver

A

Argyrophilic

52
Q

stained also with PAS

A

Periodic Acid schiff

53
Q

RF Commonly found in

A

lymphatic
tissues

54
Q

this component of the c.t. is very scant in amount except in blood (special type of c.t.) where it comprises the greatest bulk

A

Fluids

55
Q

are temporary in their existence, being present only in the developing embryos

A

Embryonal connective tissues

56
Q

comprise the c.t. of growing and adult animals

A

Adult connective tissue

57
Q

composed primarily of stellate mesenchymal
cells embedded in a jelly-like amorphous substance

A

Mesenchymal CT

58
Q

found in Wharton’s jelly of the umbilical cord,

A

Mucoid CT

59
Q

can be found also in the __ of birds

A

combs and wattles

60
Q

and in the ___ of the omasum

A

lamina propria

61
Q

Classification according to the ___ and ___ of cells and extracellular components

A

arrangement and proportion

62
Q

the CT of growing and adult animals

A

Adult CT

63
Q

most common or ordinary CT in the body

A

Areolar/loose CT

64
Q

Loose CTissue found in the __ CT

A

subepithelial (l. propria and t. submucosa),

65
Q

Loose CT also found in _ and in between __

A

mesenteries, muscles and nerves

66
Q

Fibers are the predominant components

A

Dense CT

67
Q

fibers are tightly arranged to make the tissue appear
thick or dense

A

True

68
Q

characterized by the orderly arrangement of the fibers; there are two types:

A

Regular dense CT

69
Q

also known as the regular DWFCT-the few fibroblasts are arranged longitudinally in between parallel bundles of collagen

A

Collagenous CT

70
Q

DWFCT

A

Dense White Fiber CT

71
Q

Collagenous CT is found in

A

tendons and ligaments and aponeurosis

72
Q

is very similar to the regular DWFCT except that the predominant fibers are elastic which are branched

A

Elastic CT

73
Q

Elastic CT is present in the nuchal ligament, t. media of large (elastic) arteries

A

true

74
Q

characterized by not orderly a parallel array of collagenous fibers found in the dermis of the skin

A

irregular dense CT

75
Q

Special Connective Tissue

A

reticular CT, Pigmented CT, adipose tissue

76
Q

primarily composed of reticular fibers

A

Reticular CT

77
Q

found in the fibrous stroma of lymphatic and blood
forming organs

A

Reticular CT

78
Q

actually areolar c.t. contains pigment cells;

A

Pigmented CT

79
Q

found in the choroid and iris of the eye and c.t. of
pigmented skin

A

Pigmented CT

80
Q

another variant of loose/areolar c.t. where the predominant cells are adipose cells

A

adipose tissue

DVM 2_Histology (4 decks)

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