In this article we will discuss about innate and acquired immunity. Innate Immunity: It refers to all the defence elements with which an individual is born and always available to protect the body. It is a non-specific type of defence system. (i) It is present from the time of birth and inherited from parents. (ii) […]
Types of Immunity: Innate and Acquired
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Immunodeficiencies in Humans
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In this article we will discuss about the primary and secondary immunodeficiencies seen in humans. Primary Immunodeficiencies: An immunodeficiency that arises from a genetic or developmental defect in the immune system is called a primary immunodeficiency. Such defects are present at birth and become manifest at different stages during development. Most defects affect either the […]
7 Important Cells of Immune System | Immunology
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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). […]
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