lymphatic system

Question 1

since the immune system is not an organ system, what is it

Answer 1

a cell population that inhabits all organs and defends the body

Question 2

the lymphatic system:

is a network of organs and vein like vessels that recovers fluid from what type of filtrate

what does it inspect it for

what responses does it activate

where does it return the fluid

Answer 2

capillary

disease agents

immune

bloodstream

Question 3

what type of fluid is lymph similar to

what macromolecule does it have very little of

what type of fluid is it considered BEFORE it enters lymphatic capillaries and vessels

it differs in chemical composition in different places in the body such as in the intestines where it is more _____ and after lymph nodes where it has more ____ cells

Answer 3

plasma

protein

extracellular

creamy, lymph cells

Question 4

what transport lymph

Answer 4

lymphatic vessels

Question 5

what two things are lymphatic tissues an aggregate of and populate many organs in the body

Answer 5

lymphocytes
macrophages

Question 6

in lymphatic organs:

what are especially concentrated here

what are they separated by surrounding organs with

Answer 6

defense cells

connective tissue capsules

Question 7

does fluid continually filter form the blood capillaries into the tissue spaces

what % do blood capillaries reabsorb

what % of the water enter the lymphatic system and are returned to blood

what % of plasma proteins enter the lymphatic system and are returned to blood

Answer 7

15%

50%

Question 8

what does excess filtered fluid pick up from tissues (2)

where does it pass through and what stands guard against it

what response is activated if needed

Answer 8

foreign cells and chemicals

lymph nodes, immune cells

immune response

Question 9

3 functions of lymphatic system

Answer 9

immunity
fluid recovery
lipid absorbtion

Question 10

1. what is another name for a teeny tiny lymphatic capillary
2. where are they
3. do they have dead ends
4. what does the fat from the small intestine get packed into by the golgi apparatus

how do (4) get into the (1)

Answer 10

lacteal

small intestine

yes

chylomicron

pressure causes shingles on the lacteals to open so that chylomicrons can flow into them and the fat is absorbed

Question 11

how do lymphatic capillaries stick onto other capillaries

Answer 11

anchoring filaments

Question 12

what tunica are valves in in lymphatic vessels

Answer 12

interna

Question 13

is there pressure form the heart for lymphatic vessels

where does the right lymphatic duct drain into

where does lymph fluid go from the inferior part of the body

where does it go from there ^

where does it go from there ^

(left takes the CTL)

Answer 13

no

the right subclavian vein

cysterna chylie

thoracic duct

left subclavian vein

Question 14

what is the gliac cell and lymphatic system called together in the brain

Answer 14

glymphatic system

Question 15

what are the lymphatic vessels in the brain called

what do they do

Answer 15

meningeal lymphatic vessels

products filtered from the blood brain barrier flow into them

Question 16

does lymph flow at a higher or lower pressure than venous return

how is it moved along

what happens to the vessels to stimulate this

what body pump aids this flow

what type of vessel squeezes these vessels

what specific pump aids from from abdominal to thoracic cavity

where does rapidly flowing blood draw lymph into it

what increases lymphatic return

Answer 16

lower

rhythmic contractions

stretching of vessels

skeletal-muscle

arterial

thoracic

subclavian

exercise

Question 17

what type of lymphatic cells are antibacterial

Answer 17

neutrophils

Question 18

what type of lymphatic cells are large lymphocytes that attack bacteria, transplanted tissue, and host cells

Answer 18

natural killers

Question 19

what type of lymphatic cells mature in the thymus

Answer 19

T cells

Question 20

what type of lymphatic cells’ activation causes proliferation and differentiation into plasma cells that produce antibodies

Answer 20

B cells

Question 21

what type of lymphatic cells are branched and found in the epidermis, mucous membranes and lymphatic organs

Answer 21

dendritic

Question 22

what type of lymphatic cells alert the immune system to pathogens that have breached the body surface

Answer 22

dendritic

Question 23

what type of lymphatic cells are branched stationary cells that contribute to the storma of a lymphatic organ

Answer 23

reticular

Question 24

what are the phagocytic cells of connective tissue

what 2 things do they develop from

they phagocytize what 4 things

they are _____-presenting cells

Answer 24

macrophages

monocytes or other macrophages

debris, bacteria, dead neutrophils, foreign matter

antigen

Question 25

what is the simplest form of lymphatic tissue where are they prevalent and scattered (4) they are _____-associated lymphatic tissue (MALT)

Answer 25

diffuse lympahtic tissue digestive, respiratory, reproductive, and urinary tracts mucosa

Question 26

what are dense masses of lymphocytes and macrophages that congregate in response to pathogens and go away when pathogens are neutralized they are a feature of what 3 things aggregated ones of dense clusters are found in what part of the small intestine (distal), and what are these patches called

Answer 26

lymphatic nodules lymph nodes, appendix, tonsils ileum, Peyers patches

Question 27

what are the 2 primary lymphatic organs this is where what two types of lymphocytes become immunocompetent define immunocompetent

Answer 27

red bone marrow thymus T and B cells recognize and respond to antigens

Question 28

what are the 3 secondary lymphatic organs what type of cells populate these areas

Answer 28

lymph nodes, tonsils, spleen immunocompetent

Question 29

what is involved in both hemoatopoesis and immunity

Answer 29

red bone marrow

Question 30

what is a member of the endocrine, lymphatic, and immune system what does it house how does the hormones it secrete relate to the lymphatic system where is it located what happens to it with age

Answer 30

thymus developing lymphocytes it regulates the lymphocyte activity superiore mediastinum degeneration

Question 31

what are the most numerous lymphatic organs how many are there is a young adult what are its 2 functions

Answer 31

lymph nodes 450 cleanse lymph T and B cell activation

Question 32

what is the depression in a lymph node called where fluid flows out (what makes it bean shaped) what is a lymph node enclosed in what divide interior compartments in a lymph node ^ is the ____ of reticular fibers and cells

Answer 32

hilium fibrous capsule trabeculae stroma

Question 33

does lymph have more or less lymphocytes after going through a node

Answer 33

more

Question 34

notable places where we have lymph nodes names neck armpits chest small intestine groin behind knees

Answer 34

cervical auxiliary thoracic around lungs Peyers patches urinary tract polietal

Question 35

what is swollen painful node in response to a foreign antigen

Answer 35

lymphadenitis

Question 36

what is a collective term for all lymph node diseases

Answer 36

lymphadenopathy

Question 37

what is it called when a cancerous cell breaks free from original tumor and establishes new ones does this happen easily in lymph vessels what do these cells do to the first lymph node they encounter when they destroy the node, is it swollen?firm? painful? what are 3 treatments for breast cancer

Answer 37

metastasis yes lodge in it yes, yes, no mastectomy, lumpectomy, removal of axillary nodes as well

Question 38

what are the 3 kinds of tonsils

Answer 38

pharyngeal palatine lingual

Question 39

what type of tonsils get removed

Answer 39

palatine

Question 40

what is the palatine tonsil made of

Answer 40

lymphatic nodules

Question 41

what is the bodies largest lymphatic organ what are its sinuses filled with in red pulp what two things surround small branches of the splenic artery in white pulp

Answer 41

spleen erythrocytes lymphocytes and macrophages