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a&p2 > Lymphatic System > Flashcards

Lymphatic System Flashcards

1
Q

_ are a network of vessels that return interstitial fluid and leaked plasma proteins to the blood

A

lymphatics (lymphatic vessels)

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2
Q

_ include include lymphatic capillaries and larger lymphatic vessels

A

lymphatics

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3
Q

_ is interstitial fluid that has gone into the lymphatics

A

lymph

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4
Q

_ clean lymph and are the main secondary lymphoid organs of body

A

lymph nodes

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5
Q

most lymph nodes are embedded deep in _, in clusters along lymphatic vessels

A

connective tissue

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6
Q

_ is the fluid between cells

A

interstitial fluid

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7
Q

_ are blind ended vessels (not a loop)

A

lymphatic capillaries

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8
Q

lymphatic capillaries are a _-way system and move towards the heart

A

one

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9
Q

lymphatic capillaries are _ permeable than blood capillaries

A

more

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10
Q

_ means something is able to be passed through (such as liquids, gasses, materials)

A

permeable

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11
Q

_ are one-way gates/flaps

A

minivalves

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12
Q

_ are specialized lymph capillaries in intestinal mucosa

A

lacteals

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13
Q

_ absorb digested fat and deliver chyle to the blood

A

lacteals

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14
Q

_ is fatty lymph

A

chyle

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15
Q

_ drain lymph vessels

A

collecting lymphatic vessels

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16
Q

_ in skin travel with superficial veins, but deep vessels travel with arteries

A

collecting vessels

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17
Q

_ are formed by joining together largest collecting vessels (lymphatic system)

A

lymphatic trunks

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18
Q

_ drain large areas of body

A

lymphatic trunks

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19
Q

_ collect lymph from trunks

A

lymphatic ducts

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20
Q

_ empty junction of internal jugular and subclavian veins on its own side of body

A

lymphatic ducts

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21
Q

_ drains upper right arm and right side of head-thorax

A

right lymphatic duct

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22
Q

_ drains the lower right and entire left side of the body

A

thoracic duct

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23
Q

_% of people have cisterna chyli in their thoracic duct

A

50

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24
Q

_ is an enlargement at the beginning of the thoracic duct

A

cisterna chyli

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25
Q

_ is severe, localized edema caused by anything preventing normal lymph return to blood

A

lymphedema

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26
Q

_ are cells of the adaptive immune system and mature into either T or B cells

A

lymphocytes

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27
Q

_ manage immune response; some attack-destroy infected cells

A

T lymphocytes (T cells)

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28
Q

_ produce plasma cells

A

B lymphocytes (B cells)

29
Q

_ secrete antibodies, which mark antigens for destruction via phagocytes

A

plasma cells

30
Q

T and B cells protect against _

A

antigens

31
Q

_ phagocytize foreign substances

A

macrophages

32
Q

_ capture antigens and deliver them to lymph nodes

A

dendritic cells

33
Q

macrophages and dendritic cells help active _

A

T cells (T lymphocytes)

34
Q

_ produce reticular fibers to form stroma

A

reticular cells

35
Q

_ is a scaffolding for immune cells to hold onto

A

stroma

36
Q

_ is a loose arrangement of lymphoid cells and some reticular fibers in virtually every body organ

A

diffuse lymphoid tissue

37
Q

_ are solid, spherical bodies with packed lymphoid cells and reticular fibers

A

lymphoid follicles (nodules)

38
Q

_ are proliferating B cells in the lymphoid follicles

A

germinal centers

39
Q

lymph nodes have an external fibrous _

A

capsule

40
Q

_ are capsule fibers that extend inward and divide the node into the cortex and medulla

A

trabeculae

41
Q

the _ is the superficial part of the lymph node with follicles (B cells), T cells, and dendritic cells

A

cortex

42
Q

the _ of the lymph nodes has medullary cords that extend inward from the cortex with B and T cells, and plasma cells

A

medulla

43
Q

_ are found throughout the lymph node and have large lymphatic capillaries and mesh of reticular fibers

A

lymph sinuses

44
Q

lymph enters the node through _ lymphatic vessels

A

afferent

45
Q

leaving the afferent lymphatics, lymph travels through _ (large, bag-like) and into cortex-medulla

A

subcapsular sinus

46
Q

leaving the subcapsular sinus, lymph enters _

A

medullary sinuses

47
Q

lymph leaves the node through _ lymphatic vessels

A

efferent

48
Q

efferent lymphatics have _, which is an indented region of an organ where lymph leaves the node

A

hilum

49
Q

_ (swollen ‘glands’) are inflamed, swollen, and tender lymph nodes that appear when nodes are overwhelmed by what they’re trying to destroy

A

buboes

50
Q

_ passes deep into stomach and sends branches to the pancreas and stomach; terminates to spleen

A

splenic artery

51
Q

_ collects blood from spleen, some of the stomach-pancreas, then forms hepatic portal vein with the superior mesenteric vein

A

splenic vein

52
Q

_ is the site of immune function (made of lymphocytes suspended in reticular fiber)

A

white pulp

53
Q

white pulp forms cuffs around _

A

central arteries

54
Q

_ is where worn-out RBC and pathogens are destroyed (made of RBC and macrophages)

A

red pulp

55
Q

red pulp consists of splenic _ and _

A

cords; sinusoids

56
Q

_ are regions of reticular connective tissue

A

splenic cords

57
Q

a _ is the surgical removal of ruptured spleen

A

splenectomy

58
Q

_ are lymphoid tissues in mucous membranes throughout body

A

mucosa-associated lymphoid tissue (MALT)

59
Q

MALT protects from

_ trying to enter body

A

pathogens

60
Q

_ are a ring of lymphatic tissue around pharynx

A

tonsils

61
Q

tonsils are the _ lymphoid organs

A

simplest

62
Q

_ are formed by invaginations of overlying epithelium in tonsils

A

tonsillar crypts

63
Q

_ are clusters of lymphoid follicles in small intestine walls

A

peyer’s patches

64
Q

peyer’s patches are also called _

A

aggregated lymphoid nodules

65
Q

the _ is an offshoot of first part of large intestine

A

appendix

66
Q

appendix has _ number of lymphoid follicles

A

large

67
Q

_ keeps immature t cells away from pathogens so they don’t get activated before they’re ready

A

blood thymus barrier

68
Q

_ is where t cells become immunocompetent

A

stroma (thymus)

69
Q

stroma in thymus has _ (no reticular fibers)

A

epithelial cells

a&p2 (12 decks)

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