PPT-Blood and the Immune System

The Bodys Lines of Defence First Line of Defence Skin the largest organ and mucous membranes defend against viral and bacterial invaders The skin acts as a physical barrier as wells as a chemical barrier acidic secretions which inhibits the growth of microbes. My path to an exciting and rewarding Scientific Career. Cancer Institute NSW Career Development Fellow. Infectious Diseases and Immunology. Dr Scott Byrne. What is an Immunologist?. Our Immune System protects us from diseases. 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. 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. . Most people thought evil spirits, swamp gas, or bad luck caused disease. science history. Louis Pasteur. Theorized that microbes caused disease and killing them could prevent illness.. Joseph Lister. Kuby Immunology. , . 7e: Chapter 2. Cells of the immune system. Immune responses result from coordinated activities of many cells, organs, and microenvironments in the body. Hematopoietic stem cells (HSCs) have the ability to differentiate into many types of blood cells. Essential Knowledge. 2.d.2 - Homeostatic mechanisms reflect both common ancestry and divergence due to adaptation to different environments (43.3).. 2.d.3 – Biological systems are affected by disruptions to their dynamic homeostasis (43.2-43.4).. LYMPHOCYTES. Are the key cells of the immune system. Two types: B and T. Both produced in the bone marrow. B matures in the bone marrow. T matures in the thymus. Immunocompetency. B and T lymphocytes must recognize “self.”. La gamme de thé MORPHEE vise toute générations recherchant le sommeil paisible tant désiré et non procuré par tout types de médicaments. Essentiellement composé de feuille de morphine, ce thé vous assurera d’un rétablissement digne d’un voyage sur . Key attributes of immune system. 4 attributes that characterize the immune system as a whole. specificity. antigen-antibody specificity. diversity. react to millions of antigens. memory. rapid 2° response. Main Function. The Immune System is used to prevent infection and . disease.. Using . a variety of cells and organs, the Immune System disposes of foreign or harmful antibodies through a process known as the immune response.. 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.. The Immune System. The immune system is a group of cells & soluble molecules, which interact & distinguish patterns in the body as “self” or “non-self,” in order to eliminate those that are “non-self.”. Immunology. Study of the components and function of the immune system. Immune System . Molecules, cells, tissues and organs which provide non-specific and specific protection against. Microorganisms.