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24 terms

Bio 111 Blood

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erythrocytes
red blood cells
leukocytes
white blood cells
thrombocytes
platelets
hemopoiesis
process of blood cell production in red bone marrow
erythropoietin
hormone from kidney that stimulates RBC synthesis
120 days
average RBC lifespan
granulocytes
WBC with many cytoplasmic granules
agranulocytes
WBC with no or few granules
neutrophil
most abundant WBC
basophil
rarest WBC
monocyte
largest WBC
neutrophil
WBC with small lilac granules and segmented nucleus
eosinophil
WBC with large orange-red granules and bi-lobed nucleus
basophil
WBC with dark purple granules and bilobed nucleus
monocyte
WBC with indented nucleus and may vacuoles in cytoplasm
lymphocyte
WBC that varies in size, has nucleus that is round or oval and dark purple
neutrophil
phagocytizes bacteria and some fungi; increases in bacterial infections
eosinophil
defends body against large parasites and releases chemicals associated with allergic reactions
basophil
granules contain histamine and heparin; initiates inflammatory response in the body
monocyte
becomes a macrophage (phagocyte) in tissues; active during chronic infections
lymphocyte
important cell of immune responses; B&T types; increase in viral infections
platelets
pieces of cytoplasm from megakaryocytes (not a complete set)
thrombopoietin
regulates production of platelets
hemostasis
process of stopping the flow of blood