Ch 21 Quiz Questions Flashcards
tonsil located on posterior surface of the tongue
lingual
masses of lymphoid tissue within a lymph node
lymphoid follicles
lymphoid tissue is basically
reticular CT
set of lymphatic capillaries that collect fat laden fluids from intestinal tract
lacteals
which cells are largest producers of antibodies?
plasma cells
where do B lymphocytes originate
bone marrow
what are 3 functions of lymphatic vessels?
return excess tissue fluid to bloodstream, transports digestive fats, returns leaked blood to bloodstream
largest type of lymphatic vessel
duct
largest lymphoid organ
spleen (but is a secondary organ)
smallest lymphatic vessel
lymphatic capillaries
order of lymphatic vessels:
lymph capillaries, collecting lymphatic vessels, lymph trunks, lymph ducts
flow of lymph is propelled by:
bulging of skeletal muscles, pulsing of nearby arteries, tunica media of lymph vessels
fatty lymph
chyle
which vessels have more valves than veins
collecting lymphatic vessels
collects lymph from collecting vessels
lymph trunks
empties into veins of neck
lymph ducts
where do vessels exit
efferent lymphatic vessels
what vessels converge to form lymph trunks
collecting vessels
what receives lymph from lower limbs
lumbar trunks
what receives chyle from digestive organs
intestinal trunk
what collects lymph from thoracic viscera
bronchomediastinal trunk
what receives lymph from upper limbs & thoracic wall
subclavian trunks
what drains lymph from head and neck
jugular trunk
5 main lymph trunks
lumbar, intestinal, bronchomediastinal, subclavian, jugular