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kin 224 > Chapter 21 > Flashcards

Chapter 21 Flashcards

1
Q

principal function of lymphatic system

A

return excess fluid

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2
Q

lymphatic system components

A

lymph vessels
lymphoid tissue
organs

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3
Q

lymph

A

fluid transported by the lymphatic system

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4
Q

components of lymph

A

mostly water
dissolved solutes
small amount of protein
sometimes:
debris
pathogens
cancer cells

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5
Q

smallest lymphatic vessels

A

lymphatic capillaries

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6
Q

lymphatic capillaries vs blood capillaries

A

lymphatic:
larger
no basement membrane
have overlapping endothelial cells

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7
Q

anchoring filaments

A

hold everything

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8
Q

lacteals

A

lymphatic capillaries in the GI tract
absorb lipid-soluble substances

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9
Q

lymphatic system merging

A

lymphatic capillaries
lymphatic vessels
lymphatic trunks
lymphatic ducts

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10
Q

primary lymphoid structures

A

thymus
red bone marrow

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11
Q

secondary lymphoid structures

A

spleen
tonsils
lymph nodes
lymph nodules
MALT

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12
Q

_____ pressure pushes the interstitial fluid into the lymphatic capillaries

A

hydrostatic

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13
Q

lymphatic vessels have _____ like veins

A

valves

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14
Q

lymphatic system moves lymph using

A

skeletal pump
respiratory pump
pulsatile movement of blood
rhythmic contraction of smooth muscle

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15
Q

jugular trunks drain from

A

head and neck

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16
Q

subclavian trunks drain from

A

upper limbs
breasts
superficial thoracic wall

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17
Q

bronchomediastinal trunks drain from

A

deep thoracic wall

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18
Q

intestinal trunk drains from

A

most abdominal structures

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19
Q

lumbar trunks drain from

A

lower limbs
abdominopelvic wall
pelvic organs

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20
Q

largest lymphatic vessel

A

thoracic duct

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21
Q

2 lymphatic ducts

A

right lymphatic duct
thoracic lymphatic duct

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22
Q

right lymphatic duct location

A

near right clavicle

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23
Q

right lymphatic duct drains

A

upper right quadrant

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24
Q

right lymphatic duct delivers lymph to

A

junction of right subclavian and right internal jugular veins

25
Q

saclike base of thoracic duct

A

cisterna chyli

26
Q

thoracic duct drains lymph from

A

the rest of the body

27
Q

thoracic duct from diaphragm to ____

A

left subclavian and left internal jugular veins

28
Q

lymphedema

A

accumulation of interstitial fluid due malfunction of lymphatic system

29
Q

red bone marrow is the site for

A

hematopoiesis

30
Q

T lymphocytes maturate in

A

thymus

31
Q

location of red bone marrow

A

sponge bone

32
Q

location of the thymus

A

mediastinum

33
Q

thymus structure

A

2 thymic lobes surrounded by connective tissue capsule
trabeculae subdivides lobes into lobules

34
Q

cortex of a lobule contains

A

immature T-lymphocytes

35
Q

medulla of a lobule contains

A

mature T-lymphocytes

36
Q

lymphoid tissue

A

tissue inside another organ

37
Q

lymph nodes function

A

filter lymph
remove unwanted substances

38
Q

lymph node components

A

afferent lymphatic vessels
efferent lymphatic vessel
trabecular
cortex
medulla

39
Q

efferent lymphatic vessel location

A

hilum

40
Q

lymph node cortex contains

A

lymphoid nodules

41
Q

parts of the lymph cortex

A

cortical sinus
mantle zone
germinal center

42
Q

what does germinal centers house?

A

proliferating B-lymphocytes
macrophages

43
Q

what does mantle zone contain?

A

T-lymphocytes
macrophages
dendritic cells

44
Q

lymph node medulla contains

A

medullary cords

45
Q

largest lymphoid organ

A

spleen

46
Q

tissues of the spleen

A

white pulp
red pulp

47
Q

white pulp contains

A

T-lymphocytes
B-lymphocytes
macrophages
all around a central artery

48
Q

red pulp contains

A

erythrocytes
platelets
macrophages
B-lymphocytes

49
Q

spleen function

A

monitors blood
clear defective erythrocytes and macrophages
store them too
eat foreign particles

50
Q

path of flow in the spleen

A

splenic artery
central artery
sinusoids
venules
splenic vien

51
Q

tonsils are named for

A

the are they’re in

52
Q

mention the tonsils

A

pharyngeal tonsils
palatine tonsils
lingual tonsils

53
Q

pharyngeal tonsil location

A

nasopharynx

54
Q

palatine tonsil location

A

posterolateral oral cavity

55
Q

lingual tonsil location

A

posterior 1/3 of tongue

56
Q

tonsils contain invaginations called ______ which _____ material

A

tonsillar crypts, trap

57
Q

lymphoid nodules group together to form

A

MALT

58
Q

where is mucosa-associated lymphoid tissue (MALT) located?

A

GI, respiratory, urinary, genital tracts

59
Q

where is MALT prominent?

A

ileum

kin 224 (7 decks)

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