PPT-The Immune Response of

Prolactin and the Induction of Tumor Necrosis Factor TNF in Iraqi Patients I nfected with Hepatitis C Virus Prof Hedef Dhafir ElYassin MRSC PhD Post Doctorate. What is the Immune System?. Our body’s natural defensive line to foreign material called microbes.. Without an immune system, microbes would quickly attack our bodies.. Our body has three levels of defense against foreign invaders. . Immune. System. Factors of Immune Health. A number of factors contribute to immune health. Exercise. Feelings of stress. Nutrition. Essential oils*. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.. Non-specific Immunity. Born with some immunity . Helps prevent disease. Helps slow disease progression. First line of defense. Non-specific, cont. .. Physical Barrier- . unbroken skin . Non-specific Immunity. Born with some immunity . Helps prevent disease. Helps slow disease progression. First line of defense. Non-specific, cont. .. Physical Barrier- . unbroken skin . 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 . 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 . 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 . Chapter 4. Introduction. Molecules recognized as “non-self” are antigens. Several mechanisms to protect itself . First level of protection include physical and biochemical-skin, acid in stomach. Second level of protection phagocytic cells, enzymes, and proteins. The relationship between viruses and the immune system is much more intimate than it is for most bacteria: viruses often modify the cells within which they replicate, thereby rendering them ‘foreign’ and susceptible to attack by sensitized lymphocytes; furthermore, . CfE. . Advanced Higher Biology. Unit . 2: . Organisms and Evolution. If you have done Higher Human Biology this is just revision!!! Use the key areas to create revision notes!. HOMEWORK: ACTIVITY G – Self Study Task – Immune response to parasites. Immunological unresponsiveness to self is referred to as . tolerance. or . self-tolerance. Very important to human health. How is this achieved?. -cells with receptors for self-antigens are destroyed in the thymus or bone marrow (central tolerance). B. Antigen (Ag). A substance that reacts with the products of a specific immune response.. C. Hapten. A substance that is non-immunogenic but which can react with the products of a specific immune response.. Adaptive . Non-adaptive (. cell injury-----cell death). hypertrophy. Dysplasia. hyperplasia. neoplasia. Atrophy. Degeneration. Metaplasia. Necrosis, apoptosis. & gangrene. Reversible. Reversible* / Irreversible.