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lymphatic system
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lymph drains from lymphatic trunks into lymphatic ____
ducts
lymphatic capillaries are usually ____ in diameter than blood capillaries
larger
lymphatic____ are formed from merging lymphatic vessels
trunks
largest lymph vessel, the left lymphatic duct, is more commonly referred to as the ______ duct
thoracic
the smallest of the lymph vessels are the lymphatic ___
capillaries
types of lymphatic cells
dendritic cells, lymphocytes, and macrophages
lymphatic capillaries are ____ vessels
closed-ended
natural ____ cells are a type of lymphocyte
killer
lymphatic vessels resemble small_____
veins
two main groups of T-lymphocytes
helper and cytotoxic
lymph from the head and neck drain into the ____ trunks
jugular
helper t-lymphocytes are also called _____
CD4+ cells and T4 cells
lymphocytes are a type of ____
leukocyte
coreceptors are named with the letters _____
CD
when a vaccine does not provide life-long immunity a ____ shot may be needed
booster
what cells initiate and oversee the immune response?
helper t-lymphocytes
natural killer cells usually have _____ receptors
CD16
process of lymphocyte development is called___
lymphopoiesis
what does AIDS stand for?
acquired immunodeficiency syndrome
what does HIV stand for?
human immunodeficiency virus
what is the function of the lymphatic nodules?
filter and attack antigens
some vaccines introduce an antigen so that ____ cells may be formed
memory
thymus ___ after puberty
shrinks
natural killer cells can kill _____
cancerous cells
lymph from the right leg enters the bloodstream through the ______
thoracic duct
lymphoid ____ cells become B-lymphocytes and NK cells
stem
surgical removal of the tonsils is called a
tonsillectomy
pale center of the lymphatic nodules is called the _____ center
germinal
lymph from the breast travels through the _____ lymph nodes
axillary
the thymus is located in the_____
superior mediastinum
primary function of a lymph node is
filter foreign material from the lymph
largest lymphatic organ in the body
spleen
which tonsils are most commonly affected by tonsillitis?
palatine tonsils
which regions are large clusters of lymph nodes found?
axillary, cervical and inguinal
what vessels carry lymph to the lymph nodes?
afferent lymphatic vessels
large granular lymphocytes are also called____
natural killer cells
the spleen is surrounded by a _____ made of dense irregular connective tissue
capsule
region where blood vessels and nerves enter and leave the spleen is called the _____
hilum
the ____ are masses of lymphatic tissue that protect against inhaled and ingested materials and are found within the pharynx
tonsils
during development, the first lymphatic structures are called ___ lymph sacs
primary
the ____ filters blood and acts as a blood reservoir
spleen
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Author
maddyb35
ID
353712
Card Set
lymphatic system
Description
ls
Updated
2020-11-09T02:48:02Z
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