470384
Description
Flashcards by gina_evans0312, updated more than 1 year ago
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Created by gina_evans0312
almost 11 years ago
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| Question | Answer |
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Image:
Neutraphill (image/jpg)
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Neutraphil |
| Blood Composition- Neutraphils | 70-80% |
| Neutrophils Increase - | During Bacterial Infections |
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Image:
Eosinophil.JPG (image/JPG)
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Eosinophil |
| Recognizable Features- Eosinophil | Bi-lobed & segmented nucleus, dense dark pink granules |
| Blood Composition- Eosophils | 1-2% of WBC's |
| Granulocyte | White blood cell with secretory granules in its cytoplasm |
| Role- Eosinophil | Activated by parasites/allergens |
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Image:
Basophil.JPG (image/JPG)
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Basophil |
| Blood Composition- Basophil | 1-2% of WBCs |
| Recognisable Features- Neutrophils | Multi lobed nucleus, no granules |
| Role- Basophil | Sythesize/store heparin & histamine |
| Recognisable Features- Basophil | Large, non-lobed nucleus, dense, dark purple granules |
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Image:
Monocyte (image/jpg)
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Monocyte |
| Blood Composition- Monocyte | 5% of WBC's |
| Reconisable Features- Monocyte | Small, pale granules, folded brain-like nucleus, abundant cytoplasm |
| Role- Monocytes | Phagocytosis |
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Image:
Lymphocyte (image/png)
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Lymphocytes |
| Blood Composition- Lymphocytes | 20% of WBC's |
| Recognisable Features- Small Lymphocyte | Large, dense round nucleus & thin basophilic cytoplasm |
| Recognisable Features- Large Lymphocytes | Indented nucleus & more abundant cytoplasm |
| Blood Composition- T-Lymphocytes | 90% of Lymphocytes |
| Recognisable Features- T Lymphocytes | TCR, Alpha, Beta, Gamma and Delta are rearranged to provide more immunity |
| Blood Composition- Beta Lymphocytes | 10% of lymphs |
| Role- B Cells | Antibody production- humoral immunity (Ig presenting) |
| Recognisable Features- B Lymphocytes | IgH, IgKappa (60%) and IgLambda (40%) are rearranged to provide more immunity |
| Macrophages | Monocytes in tissues- become actively phagocytic |
| Location of Macrophages | Liver, spleen, kidnes, lungs & lymph nodes |
| Accumulation of Macrophages | At chronic infection sites |
| Role- Macrophages | Produce IL1 & TNF in response to endotoxin |
| Natural Killer Cells | Cells that lack membrane associated markers |
| Natural Killers Cells Present | CD16 & 56 |
| Role- Natural Killer Cells | Kill microbes and tumor cells, release granules |
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