Ch 23 Lec 1 - Lymphatic System Flashcards by Francis Mendoza

lymphatic system produces, maintains, and distributes blank

lymphocytes

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this is a network of vessels that aid in circulation of body fluids and is closely associated with the cardiovascular system

lymphatic system

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lymphatic system maintains normal blank and blank fluid volume

blood, interstitial

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lymphatic system is an alternate route for the transport of blank

materials

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transport fluid of lymphatic vessels

lymph

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four sizes of lymphatic vessels

small lymphatic capillaries, medium lymphatic vessels, large lymphatic trunks, lymphatic ducts

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lymphatic blank are the end of the line for lymphatic system

ducts

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lymphatic vessels are absent in blank and blank

cns, avascular tissue

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lymph is a fluid blank

connective tissue

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lymph only occurs in the blank vessels

lymphatic

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lymph is derived from these three things

interstitial fluid, lymphocytes, macrophages

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lymph originates from blank

plasma

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water and dissolved materials leak out of capillaries due to blank and blank

diffusion, filtration

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blank liters per day enters interstitial spaces

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interstitial fluid lacks blank and has low blank

proteins, oxygen

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interstitial fluid moves into the lymphatic capillaries and is now known as blank

lymph

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blank percent of interstitial fluid is absorbed

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blank from tissues will go into lymph

residue

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lymphatic capillaries are blank ended tubes

closed

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lymphatic capillaries are in blank

interstitial spaces

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lymphatic capillaries have a blank diameter, blank walls, flat and blank than blood vessels

larger, thinner, irregular

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lymphatic vessels are blank and permeable

fenestrated

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these are formed by the merging of lymph capillaries and are similar to veins and merge to form trunks, and travel with arteries of same size

medium lymphatic vessels

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four parts of medium lymphatic vessels

interna, media, adventitia, valves

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these are named for the region they drain like lumbar, intestinal, broncomediastinal, subclavian, jugular

lymphatic trunks

lymphatic trunks drain into blank

ducts

there are blank lymphatic ducts

two

two lymphatic ducts

thoracic, right lymphatic

lymphatic ducts deliver lymph to blank circulation at blank

venous, subclavians

at lymphatic ducts, lymph is reintroduced to blank

bloodstream

lymph becomes a part of blank and is circulated after lymphatic ducts

plasma

lymphatic duct that drains lower body, left arm, head and neck

thoracic

thoracic duct route arises from blank

cisterna chyli

thoracic duct goes through the blank and ascends in front of the blank column

diaphragm, vertebral

thoracic duct empties into blank

left subclavian vein

lymphatic duct that drains right side of head and neck and right arm

right lymphatic duct

lymphatic ducts unevenly blank fluid from body

drain

this lymphatic duct does the majority of draining

thoracic

thoracic duct is much longer and drains the entire blank half of the body

inferior

blank lymphatic duct drains into blank vein

right, subclavian

blank occur at bulges in lymphatic vessels

valves

valves prevent blank

backflow

pressure is lower in blank than in veins

lymphatics

lymph is moved using similar methods to blank

veins

if drainage does not occur of lymph it is called blank

lymphedema

primary cells of the lymphoid system and have an immune response to foreign antigens

lymphocytes

lymphocytes originate in the blank

bloodstream

lymphocytes move to blank and go into blank

peripheral tissues, lymph

lymphocytes return to the blank after going into lymph

bloodstream

blank cells mature in the thymus

these lymphocytes originate and develop in the bone marrow

b cells

lymphocytes are stimulated by an blank to produce blank

antigen, antibodies

lymphocytes can become activated upon exposure to the same blank at a later date

antigen

lymphocytes that originate in the bone marrow but develop in the thymus

t cells

T cells may attack blank cells or those infected by a blank

foreign, virus

T cells may stay on reserve only to become active if the blank reappears

pathogen

lymphocytes that are also derived directly from bone marrow and directly attack foreign cells

natural killer

reticular connective tissue is dominated by blank

lymphocytes

these are not organs but include mucosa associated lymphoid tissue (MALT)

lymphoid nodules

MALT has blank lymph nodules

digestive

lymph nodes are not the same as blank

nodules

MALT that is positioned around the pharynx and remove pahtogens that enter via air or food

tonsils

three types of tonsils

pharyngeal, palatine, lingual

tonsil with one nodule in nasopharynx like adenoids

pharyngeal

tonsil with two nodules on the soft palate

palatine

tonsils with two nodules at the base of the tongue

lingual

MALT that line mucosa of the small intestine

aggregated lymphoid nodules

MALT that is a blind tube at the beginning of small intestine and is an area that is prone to infection

appendix

appendix infected is called blank and allows the intestinal blank to enter underlying tissue

appendicitis, flora

these are surrounded by a fibrous connective tissue capsule and include lymph nodes, thymus, spleen

lymph organs

lymph organs that are bean shaped and lie between several blank and one blank vessel

lymph nodes, afferent, efferent

indented region where blood vessels, nerves, and efferent lymph vessels connect in lymph nodes

hilum

lymph nodes have a blank which has a capsule which has blank that subdivide it

cortex, trabeculae

two regions of lymph node cortex

outer, inner

region of lymph node cortex that consists of aggregated B cells

outer

region of cortex of lymph node that has T cells that enter blood here

inner

lymph node part where B cells leave

medulla

three locations of lymph nodes

cervical, axillary, inguinal, pelvic, abdominal, thoracic

lymph organ on left side of stomach and is the largest lymphatic organ

spleen

spleen part that resembles a lymph node

white pulp

spleen part that has large amounts of red blood cells and sinuses, macrophages, and t/b cells

red pulp

spleen removes old blank and stores blank

red blood cell, iron

spleen initiates blank and is a blank reservoir

immune response, reservoir

spleen does red blood cell production in blank

fetus

lymphoid organ in the mediastinum and is the first lymph organ to develop

thymus

thymus grows until blank and shrinks with blank

puberty, age

two lobes of thymus

cortex, medulla

lobe of thymus with mostly immature T cells

cortex

thymus cortex produces mature blank

t cells

T cells mature and migrate into blank of thymus

medulla

T cells enter blood vessels and go into blank

circulation

thymus cells that produce thymosin and promote T cell blank

reticular cells, differentiation

lobe of thymus with mostly reticular epithelial cells

medulla