Term
What is blood composed of?
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Definition
Formed elements(cells+cell fragments) & plasma(water+dissolved substances)
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Term
Name all of the white blood cells.
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Definition
Neutrophils, Eosinophils, Basophils, Monocytes, Lymphocytes
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Term
What cells produce platelets?
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Definition
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Term
Does a mature RBC contain a nucleus?
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Definition
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Term
What chemicals are secreted by your granular leukocytes & what are their functions?
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Definition
Neutrophils – lysozyme – antibacterial
Eosinophils – major basic protein – anti-parasitic worm agent
Basophils – Histamine – vasodilator & Heparin - anticoagulant |
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Term
What does a plasma cell secrete?
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Definition
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Term
What does a cytotoxic T-cell secrete?
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Definition
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Term
What is the function of a macrophage after phagocytizing a pathogen to stimulate the specific immune response?
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Definition
Presents the antigenic portion of the pathogen to B & T-cells via MHC class II receptors
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Term
Name the plasma proteins and the function of each.
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Definition
Albumins – maintain osmotic pressure
Globulins – forms antibody structure
Fibrinogens – blood clotting |
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Term
| what are the functions of blood? |
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Definition
| transportation, regulating, protection(clotting) |
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Term
| in blood plasma, what do proteins, albumins, globulins, and fibrinogens do? |
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Definition
proteins=maintain proper blood osmotic pressure
albumins=maintain osmotic blood pressure
globulins=antibodies
fibrinogens=blood clotting |
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Term
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Definition
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Term
| where do Pluripotent hematopoeitic stem cells come from and what do they give rise to? |
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Definition
| mesenchyme, all five precursor cells |
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Term
| what are the 5 precursor cells and what do they do? |
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Definition
Proerythroblasts (rubriblasts) = form mature RBCs
Myeloblasts = form mature neutrophils, eosinophils, & basophils
Monoblasts = form monocytes
Lymphoblasts = form lymphocytes
Megakaryoblasts = form mature platelets |
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Term
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Definition
| RBC formation(begins in red bone marrow) |
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Term
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Definition
late erythroblast ejects nucleus; retains some organelles; enters the bloodstream via diapedesis -amoeboid movement through capillary pores
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