PPT-4b. Innate (nonspecific) Immunity

Chapter 16 Innate nonspecific Immunity Some terms Susceptibility Lack of immunity to a disease Immunity Ability to ward off disease immunity Defenses against any pathogen. Chapter 16: Innate (nonspecific) Immunity. Some terms:. Susceptibility. : Lack of immunity to a disease.. Immunity. : Ability to ward off disease.. . . immunity. : Defenses against any pathogen.. 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. The Body’s Defenses. Nonspecific Defenses Against Infection. The skin and mucous membranes provide first-line barriers to infection. -skin prevents the entry of pathogens. - mucous membranes line digestive and respiratory tracts. Present before exposure to pathogens. Present at birth. Non-antigen specific. Consists of:. Skin… barrier for microbes and viruses. Compromised by abrasion or laceration. Sebacious. sweat is acidic (pH 3-5)… prevents colonization of bacteria. A. The body has two main mechanisms of defenses. 1. Innate defense mechanisms – first line of defense. A) These defenses are non-specific and . inherited. Immunity Overview. B) Examples:. 1. ) Physical barriers. Year 10 Science Life - psychology. A behaviour is . any observable action. made by a living . person. Examples . include; walking, crying, blinking, eating . etc.. All . of these activities can be . 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?. 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.  . Immunity . is defined as the capacity of the body to resist the pathogenic agents. It is the ability of the body to resist the entry of . different types of . foreign bodies like bacteria, . virus, . 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.. Defenses of the Host. 16. Mucus in the mucous membranes is produced by. endothelial cells.. goblet cells.. the lacrimal apparatus.. ciliated epithelial cells.. Mucus in the mucous membranes is produced by. The resistance that an individual acquires during life by recognising and selectively eliminating specific foreign molecules is known as acquired immunity.. This is displays four characteristic features:. catherine. . hartnett. The Immune System. Concept 43.1- In innate immunity, recognition and response rely on shared traits of pathogens. Introductory Video. http://www.cleanvideosearch.com/media/action/yt/watch?v=Nw27_jMWw10.