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22 Απρ 2023 · The body's defence mechanism is referred to as innate immunity. The inherent defence mechanisms that this immunity provides, such as salivary enzymes, natural killer cells, undamaged skin, neutrophils, etc., help us fight off diseases from birth before being exposed to pathogens or antigens.
9 Απρ 2014 · Innate immunity provides the first line of defense against pathogens and includes physical, chemical, and cellular barriers. Physical barriers include intact skin and mucous membranes. Chemical barriers include sebum, sweat, stomach acid, and antimicrobial substances.
18 Μαρ 2021 · Cellular components of Innate immunity NK cells: Class of lymphocytes that kill virus infected cells and tumor cells. Mast cells: Present lining the respiratory and other mucosa. Activated by microbial products binding to toll like receptors or by IgE antibody dependent mechanism. They release abundant cytoplasmic granules rich in histamine ...
9 Νοε 2014 · Chapter 10 Innate Immunity. Introduction of innate immunity. Innate immunity is the first line of defense against infections. Innate immunity exist before encountering with microbes and are rapidly activated by microbes before the development of adaptive immune responses.
12 Φεβ 2001 · microbes colonise their host and aid normal body functions. Suppression of the immune system allows microbes that are normally harmless to become pathogenic opportunistic infections. Some microbes have evolved to evade the innate immune system (pathogens) so the adaptive immune system developed later in evolution. 18 Innate Immune System
11 Μαρ 2021 · Class 10 Science | PPT Presentations. Chapter 1: Chemical Reactions and Equations. Chapter 2: Acids, Bases and Salts. Chapter 3: Metals and Non-metals. Chapter 4: Carbon and its Compounds. Chapter 5: Periodic Classification of Elements. Chapter 6: Life Processes. Chapter 7: Control and Coordination. Chapter 8: How do Organisms Reproduce?
Here in our Immunology PPT page, you can get the PowerPoint Presentations on basics of immunology and explore the key components of the immune system, including the innate and adaptive immune responses.
