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blast/o, -blast

germ or bud

chrom/o, chromat/o

color

chyl/o

juice

hem/o, hemat/o

blood

immun/o

safe

lymph/o

clear fluid

morph/o

form

myel/o

bone marrow or spinal cord

phag/o

eat or swallow

plas/o

formation

reticul/o

a net

splen/o

spleen

thromb/o

clot

thym/o

thymus gland

plasma

liquid portion of blood and lymph

serum

liquid portion of blood left after clotting process

erythrocyte

red blood cell

leukocyte

white blood cell

granulocytes

a group of leukocytes containing granules in cytoplasm

neutrophil

a granular leukocyte

polymorphonuclear luekocyte

another term for neutrophil

eosinophil

rose-color granular leukocyte

basophil

dark-stained granule leukocyte

agranulocytes

group of leukocytes without granules in their nuclei

lymphocyte

an agranulocytic leukocyte active in immunity

monocyte

performs phagocytosis

platelets

thrombocytes that coagulate

thymus

primary gland of lymphatic system

spleen

filters aging blood, removes cellular debris

lymph

fluid circulated through lymph vessels

lymph capillaries

microscopic vessels that draw lymph from lymph vessels

lymph vessels

vessels that receive lymph from lymph capillaries

lymph nodes

small oval structures that filter lymph received from vessels

lymph ducts

collecting channels

right lymphatic duct

receives lymph from the upper right part of the body

thoracic duct

receives lymph from left side of body

antigen

a substance which causes the body to produce antibodies

antibody

substance produced by the body that destroys antigen

immunity

process of disease protection by exposure to an antigen

active immunity

immunity that protects the body from future infection

passive immunity

immunity resulting from antibodies that are produced naturally

microcytosis

presence of small red blood cells

macrocytosis

presence of large red blood cells

anisocytosis

presence of red blood cells of equal size

poikilocytosis

presence of large, irregularily shaped red blood cells

reticulocytosis

increase of immature erythrocytes in blood

erythropenia

abnormally reduced number of red blood cells

lymphocytopenia

abnormally reduced number of lymphocytes

neutropenia

decrease in number of neutrophils

pancytopenia

abnormally reduced number of all cells in blood

hemolysis

breakdown of red blood cell membrane

immunocompromised

impaired immune defenses

immunosuppression

inability for immune response

lymphadenopathy

presence of enlarged lymph nodes

splenomegaly

enlargement of the spleen

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