PPT-Immune system - Specifics of children's immunity
Author : myesha-ticknor | Published Date : 2016-07-17
Oral immunity and immunopathological processes in the mouth Immunity Microorganisms are in the air we breathe and inon the food we eat Thus our epithelial surfaces
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Immune system - Specifics of children's immunity: Transcript
Oral immunity and immunopathological processes in the mouth Immunity Microorganisms are in the air we breathe and inon the food we eat Thus our epithelial surfaces are continuously exposed to microorganisms. Lori Herrington. Chaparral High School. What is immunology?. Very simply, it is the study of our body’s defense against infection and disease.. Even though we are constantly bombarded by microorganisms, we rarely become sick. Why?. Chapter 40. Agents of Disease. The human body provides a suitable environment for many microorganisms: it is moist, warm and full of nutrients.. Not all microorganisms are harmful; some are beneficial. THE IMMUNE SYSTEM. NONSPECIFIC DEFENSES AGAINST INFECTION INCLUDE THE. SKIN. MUCOUS MEMBRANES. PHAGOCYTIC CELLS. ANTIMICROBIAL PROTEINS. THE IMMUNE SYSTEM. NONSPECIFIC DEFENSE MEANS THAT THEY DON’T DISTINGUISH BETWEEN MICROBES. 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. Oral immunity and . immunopathological. processes in the mouth. Immunity. Microorganisms are in the air we breathe and in/on the food we eat;. Thus our epithelial surfaces are continuously exposed to microorganisms;. 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.. GENESIS. 1.Lymphoblast. :15-20 micrometer. Large nucleus with rarely more than 2 distinct. nucleoli. Cytoplasm is blue as a narrow rim around the. large nucleus. Prolymphocyte. :. Prolymphocyte. :. Immunology. - the study of host defense mechanisms. Immunity. -. ability of the host to protect itself against foreign organisms. Resistance to disease.. Antigen (Ag)- . is a foreign substance that can elicit specific immune response (IR) when is immunogenic. Kuby. . Immunology. , . 7e: Chapter 1. A historical perspective of immunology. What is immunity?. Immunity is the state of protection against foreign pathogens or substances (antigens). Latin term . The immune systems consists of organs, cells, and molecules that fight infections. Many other tissues and systems help the immune system. Skin. is a physical barrier to infection. Mucous membranes. trap pathogens entering the body. By . Dr. Sunita Mittal. Learning Objectives. To understand about acquired or adaptive immunity. Steps of humoral immune response. Steps of cellular immune response. Cytokines. Unwanted effects of immune system. 1 1 Introduction Immunity is the ability of the human body to protect itself from infectious disease. The defence mechanisms of the body are complex and include innate (non-specific, non-adaptive) mec A. Anatomical barriers to infections. 1.Mechanical Factors. Skin. : physical barrier and impermeable to most infectious agents. The desquamation of skin epithelium also helps remove bacteria and other infectious agents that have adhered to the epithelial surfaces. . Its . how your body recognizes and defends itself against bacteria, viruses, and substances that appear foreign and harmful.. IMMUNE SYSTEM- . Its a network of tissues and organs containing cells that recognize foreign substances in the body and destroy .
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