PPT-Mechanisms of Innate Immunity

There are lots of micoorganisms that we encounter everyday through breathing touching and eating Most are detected and destroyed within minutes or hours by defense mechanisms that do not rely on the clonal expansion of antigenspecific lymhphocytes . Chapter 22. Functions of the Immune System. Destroy pathogens (organisms that cause disease). Detect and kill abnormal cells such as cancerous cells. Remove dead cells and debris from the body. Pathogens. Clarence Lam, . Sanket. Patel, . Tairan. Yang, Narthaanan Srimurugathasan. PHM142 Fall 2016. Instructor: Dr. Jeffrey Henderson. Outline. Introduction and components of innate immunity. Differentiation from blood cells and mechanisms of phagocytosis. E . Wolf decoy for geese (plenty in New England).. Why are these decoys efficient?. Geese do not have pictures to teach their young ones what animals to avoid…. … and so they must be born with images of predators engraved in their brain. Learning objectives: . to . consider whether some ideas are innate. , and thus whether Hume and Locke’s concept empiricism is flawed.. What are the concepts most likely to be innate if any?. 1) Are instincts innate?. All organisms have innate behaviors that are inherited from parents that develop independently from the environment. Innate behavior is inherited from an individual’s parents and is not modified by the individual and is generally not affected by the organism’s environment, including an organism’s experiences.. In short, it is safe to state that immunity refers to the rules and principles that govern diplomatic relations between states and other entities with legal personality within the international system.. disease. Disease-any condition that impairs the normal functioning of the body. Violation of homeostasis. Homeostasis-ability of the body to keep proper internal conditions no matter what is happening outside of it. The term Immunity has traditionally referred to the resistance exhibited by the host towards injury caused by microorganism and their product.. However, protection against infectious disease is only one of many consequences of immune response, which in its entirety is concerned with the reaction of the body against any foreign antigen.. Assis.Prof.Dr. . Suhad Faisal . Hatem. Innate immunity. . is considering first line of defense, an immediate response to a pathogen that does not confer lifelong protective immunity. It is includes :. Dr. . M.A.Thomas. . FUNCTIONS . OF THE IMMUNE SYSTEM. :. Recognize. , destroy and clear a diversity of pathogens. .. Initiate . tissue and wound healing processes. .. Recognize . and clear damaged self components. Dr. . Bipin. Patel. introduction. INTRODUCTION. The term “immunity” is referred to the . resistance of an individual . towards . injury. caused by . microbial stimuli . (microorganisms & their products) & . Learning Objectives. Introduction to Immunity. Innate Immunity. Lymphoid Tissue. Introduction to Immunity. Immunitas. : Freedom from. Immunity is the ability of body to destroy potentially hazardous/harmful foreign substances, if entered in body, that is it provides FREEDOM from any foreign invader.. of certain substances in . the blood and lymph stream. . These . substances are known as antibodies. . This immunity is inborn. . . Antigens. , the foreign substances that attack the body, stimulate the production of antibodies. . OA. OBJECTIVES. At the end of the lecture, students will be able to:. Explain the role of the immune system. Describe the two types of immunity. Explain antibodies and its various types. Define immunodeficiency.