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31 Cards in this Set

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plasma
liquid portion of the blood and lymph containing water, proteins, and cellular components
serum
liquid portion of the blood left after clotting
erythrocyte
red blood cell, which transports oxygen and carbon dioxide
hemoglobin
protein-iron compound contained in erytrocytes that transports oxygen and carbon dioxide
leukocyte
white blood cell, which protects the body from invading harmful substances
granulocytes
a group of leukocytes containg granuels in their cytoplasm
neutrophil
a granular leukocyte, named for the neutral stain of its granules, that fights infection by swallowing bacteria
polymorphonuclearleukocyte
Another term cor neutrophil, named for the many segments present in its nucelus
band
an immature neutrophil
eosinophil
a granular leukocyte, named for the rose-colored stain of its granuels that increase in allergic and some infectious reactions
basophil
a granular leukocyte, named for the dark stain of its grainules
agranulocytes
a group of leukocytes without granules in their nuclei
lymphocyte
an aranulocytic leukocyte active inthe process of immunity
monocyte
an agranulocytic leukocyte that performs phagocytosis to fight infection
platelets
thrombocytes; cell fragments in the blood essential for blood clotting
thymus
primary gland of the lymphatic system
spleen
organ between the stomach and the diaphragm; "removes aging blood cells and cellular debree from the blood"
lymph
fluid circulated through the lymph vessels
lymph capillaries
microscopic vessels that draw lymph from tissues to the lymph vessels
lymph vessels
vessels that receive lymph from the lymph capillaries and circulate it to the lymph nodes
lacteals
specialized lymph vessels in the small intestine that absorb fat into the bloodstream
chyle
white or pale yellow substance in the lymph
lymph nodes
several small, oval structures that filter lymph from the lymph vessels
lymph ducts
collecting channels that carry lymph from the lymph nodes to the veins
right lymphatic duct
receives lymph from the right upper part of the body
thoracic duct
receives lymph from the left side
immunity
process of disease protection induced by exposure to an antigen
antigen
a substance that causes formation of antibodies against it
antibody
substance produced by the body that destroys an antigen that has entered the body
active immunity
an immunity that protects the body against a future infection
passive immunity
immunity resulting from antibodies that are conveyed naturally through the placenta to a fetus