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Leukocytes Flashcards

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5642006059Leukocytes(wbc.) defend body against phagocytosis and antibody production. move through cell walls of capillaries into interstitial fluid by process called diapedesis.0
5642026077Granulocytes12 hour life span. Granulated.1
5642030378Agranulocytesweek to year life span. no granules.2
5642035694neutrophil(54-62%) 2-5 lobed nucleus, first to arrive, destroys bacteria and fungus.3
5642045724eosinophil(1-3%) bi-lobed, stains red, moderate allergic reactions, defend against worms and parasites.4
5642056776basophil(-1%) bi-lobed, stains blue, secretes histamine which promotes inflammation, secretes heparin which promotes clotting.5
5642092320Lymphocyte(25-33%) large, role in immunity, T cells, B cells,6
5642110717Leukocytosisexceed wbc (more than 10000), acute infection, emotional upsets, loss of fluid.7
5642118121Leukopeniadecrease wbc (less than 4500), typhoid, measles, mumps, AIDs, etc.8
5642141308monocytesformed in rbm, kidney shaped nucleus, leave bloodstream and clean up bacteria, dead cells, and debris.9
5643344226Thrombocytes(platelets) fragment cells, enucleated, small, (live ten days)10
5643358007Thrombocyte functionclose the breaks in vessels by initiating blood clot (scab), release serotonin which contract s.m. in band reduces blood flow.11

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