Lymphoid tissues Flashcards

1
Q

thin vessel lined by endothelium

A

lymph vessel

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2
Q

similar to large veins

A

lymphatic ducts

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3
Q

rich neutral network

A

tunica adventitia

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4
Q

longitudinal and circular muscle

A

tunica media

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5
Q

fixed cells predominate

A

loose lymphoid tissue

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6
Q

free cells predominate

A

dense lymphoid tissue

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7
Q

found in all lymphoid tissue excepth thymus

A

nodular lymphoid tissue

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8
Q

lymphocytes and free macrophage

A

mobile cells

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9
Q

res cells, fix macrophages, plasma cells

A

fixed cells

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10
Q

2 primary lymphoid organs

A

bone marrow and thymus

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11
Q

secondary lymphoid organs

A

tonsil, lymph nodes, balt and malt

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12
Q

highly cellular, viscuous

A

bone marrow

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13
Q

connective tissue cells of any organ

A

stroma

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14
Q

consisting mainly of hematopoietic tissue

A

red marrow (medulla ossium rubra)

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15
Q

consisiting mainly of fat cells

A

yellow marrow (medulla osium flava)

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16
Q

Red bone marrow produces all red blood cells and platelets and around _________ % of lymphocytes in human adults.

A

60-70

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17
Q

at birth, what color is a bone marrow?

A

red

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18
Q

where is yellow marrow found?

A

medullary cavity of long bones

19
Q

it produces hormone and thymosin

A

thymus

20
Q

where is thymus larger? adults or children?

A

children

21
Q

they are large non-encapsulated masses of lymphoid tissue

A

tonsils

22
Q

located in the lateral wall of the oropharynx

A

palatine tonsils

23
Q

situtated in the lamina propria at the root of the tongue

A

lingual tonsils

24
Q

located in the upper posterior part of the throat

A

pharyngeal tonsils

25
Q

they are also called as pharyngeal tonsils

A

adenoids

26
Q

a small bean-shaped structure that is a part of the body’s immune system

A

lymph nodules

27
Q

it acts as the “drainage” points in the lymphatic system

A

lymph nodules

28
Q

it is a complex filter

A

spleen

29
Q

this organ is well suited for removing poorly opsonised

A

spleen

30
Q

location of spleen

A

mesentery and abdominal activity

31
Q

nerves and arteries carried into the splenic pulp by ____________

A

trabeculae

32
Q

lymph cells directly around artery

A

t cells

33
Q

lymphoid nodules

A

b cells

34
Q

initiates ummune responses to specific antigens

A

MALT

35
Q

meaning of malt

A

mucosa-associated lymphoid tissue

36
Q

it consists small accumulations of lymphoid cells or one to a few lymph follicles

A

malt

37
Q

plays a role in regulating mucosal immunity

A

malt

38
Q

meaning of galt

A

gut-associated lymphoid tissue

39
Q

meaning of balt

A

bronchus-associated lymphoid tissue

40
Q

tertiary lymphoid structure

A

balt

41
Q

it is where peyer’s patches are found

A

galt

42
Q

effective priming site of the mucosal and systemic immune responses

A

balt

43
Q

meaning of nalt

A

nasal-associated lymphoid tissue