The following points highlight the seven important cells of immune system. The cells are: 1. Hematopoietic Stem Cell 2. Lymphocytes 3. Monocytes 4. Macrophages 5. Granulocytes 6. Dendritic Cells 7. Mast Cells. Cell # 1. Hematopoietic Stem Cell: All blood cells arise from a type of cell called hematopoietic stem cell (HSC) (or stem cell). […]
7 Important Cells of Immune System | Immunology
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Difference Between Active Immunity and Passive Immunity
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The upcoming discussion will update you about the difference between active immunity and passive immunity. Difference # Active Immunity: 1. Active immunity is produced actively by host’s immune system as a result of the stimulation by antigen. 2. Active immunity is induced by microbial infection or by contact with antigens. 3. Active immunity lasts long. […]
Lymphoid Organs of Immune System | Immunology
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In this article we will discuss about the primary and secondary lymphoid organs of immune system. Primary or Central Lymphoid Organs: Immature lymphocytes generated in hematopoiesis, the process of formation and development of blood cells, mature and become committed to a particular antigenic specificity within the primary lymphoid organs, namely, thymus, bursa of Fabricius (in […]
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