PPT-Unit 8- THE IMMUNE SYSTEM

Immunity Immunity The ability of the body to fight infection andor foreign invaders by producing antibodies or killing infected cells Immune System The system in the body responsible for maintaining homeostasis by recognizing . 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?. 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. Sue Howell, DVM. The Immune System. www.nobelprize.org.  . Identify . potentially . injurious substances. Distinguish . self from non-self. Assess level . of threat . Mount an appropriate response. Additional key terms. Lymph. Having to do with lymph or lymphatic system. Intercellular fluid as it returns to the venous circulatory system. Removes waste products from the cells. Must be filtered by the lymph nodes before it reenters the circulatory system . Immune Modulation, and Immunosuppression in MS: . A Review . Introduction. Architecture of the Immune System: Focus on Innate Immunity. Innate Immune System Features. Architecture of the Immune System: Focus on Adaptive Immunity. 11.3 (. pg. 367 – 269). Malfunctions. Abnormal functioning of the immune system. Two types of problems:. Immunodeficiency diseases. Inappropriate attacks of the immune system against non-threatening agents.. Solutions to improve treatment. Current . immunosuppressors. …. …suppress the entire immune system, leaving patients more vulnerable to everyday infections and higher rates of cancer.. However, this is necessary because the immune system attacks parts of the body which are work well and are needed (in MS, myelin is targeted, causing demyelination) but we cannot isolate the suppression to just one impact of the immune system so to protect the targeted area we must lower the guard of everywhere else. . 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?. Innate Immunity. Receptors on T and B Cells Are Specific for Each Antigen. Innate and Adaptive Immune Systems. Antigen Presentation. Adaptive Immunity. Function of the Immune System. Tumor Escape Mechanisms. By Renira Rugnath and Jeshanah Johnson . Basics . Homeostasis, or a "steady state," is a continual balancing act of the body systems to provide an internal environment that is comparable with life. The two liquid tissues of the body, the blood and lymph have separate but interrelated functions in maintaining this balance. They combine with a third system, the immune, to protect the body against pathogens that could threaten the organism's viability. . The specialists who diagnose and treat immune system disorders are called . immunologists. , and the specialty itself is called . immunology. .. Phagocytes. Phagocytes are often the first immune system cells . Your defense against the antigens of the world. The webinar recording of this presentation will be available at:. www.nspwebinars.com. Phone: 1-712-432-0453 PIN 8626. (Not a toll-free . call. ). Be in our Cancun Giveaway Drawing!. HIV. (Human immunodeficiency virus)- a virus that attacks the immune system.. Infection with HIV can be prevented. Responsible decisions is the most valuable tool for protection against HIV.. Example: Abstinence from sexual activity and injecting drugs reduce your risk.. Purpose of the Immune System . Protect from internal attacks from . abnormal body cells . (cancerous cells). Protect from . external pathogens. Can enter the body through any systems that have openings on the exterior of the body.