Cell Defense Strategy

Cell Defense - Cell Defense Strategy Constituents of Blood o Plasma/Serum o Erythrocytes RBCs o Platelets o Leukocytes Adult Hematopoiesis o Blood

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Cell Defense Strategy Constituents of Blood o Plasma/Serum o Erythrocytes RBCs o Platelets o Leukocytes Adult Hematopoiesis o Blood cell differentiate divide and proliferate o Stem cells usually come from bone marrow Leukocytes Major Role o Neutrophils Phagocytosis and destruction of bacteria o Eosinophils Defense against parasitic worms o Basophils Mediating allergic responses to foreign antigens o Lymphocytes B type – synthesizing antibodies to antigens T type – initiating attacks against antigens and foreign cells o Monocytes Phagocytosis, processing and presentation of antigens Phagocytosis and Foreigner Destruction o Bacteria death usually caused by oxidative bursts of H2O2 within the confines of the phagolysosome Leukocyte Adhesion Cascade o Leukocyte in blood vessel then rolling then adhesion then extravasation Proteins in the L.A Cascade o Controlled by a gradient o Integrin involved in cell –cell/cell – matrix
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This note was uploaded on 04/09/2008 for the course BIOL 0500 taught by Professor Wessel during the Spring '08 term at Brown.

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Cell Defense - Cell Defense Strategy Constituents of Blood o Plasma/Serum o Erythrocytes RBCs o Platelets o Leukocytes Adult Hematopoiesis o Blood

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