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You - Dickinson ISD
You - Dickinson ISD

... - Injured body cells release chemicals called histamines, which begin inflammatory response - Capillaries dilate - Pyrogens released, and temperature rises - Pain receptors activate - WBCs flock to infected area like sharks to blood ...
Слайд 1 - sechenov.ru
Слайд 1 - sechenov.ru

... proinflammatory cytokins that recruit inflammatory cells TYPE II : humoral antibodies participate directly in injuring cells by predisposing them to phagocytosis or lysis. TYPE III : immune complex diseases in which humoral antibodies bind antigen and activate complement; the fractions of complement ...
3.6 Immune System
3.6 Immune System

... If a pathogen makes it past the body’s first line of defense (physical barriers, skin),  then the body will mount an immune response to the infection. This is the second line  of defense. There are two types of immune response: _INNATE_________ and  _ACQUIRED_________.  ...
Big_Idea_2-4D_Immune_Response
Big_Idea_2-4D_Immune_Response

... type of white blood cell), and the release of various cytokines in response to an antigen ...
DEFENSE - Immune 15-16
DEFENSE - Immune 15-16

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File
File

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Immune response part 1
Immune response part 1

... relate the molecular structure of antibodies to their functions explain the role of memory cells in long-term immunity; distinguish between active and passive, natural and artificial immunity and explain how vaccination can control disease discuss the reasons why vaccination has eradicated smallpox ...
immune response
immune response

... IMMUNE RESPONSE  It includes reactions against any antigen.  The consequences are usually beneficial or some times may be injurious to the host.  The adaptive response can be antibody-mediated (humoral), cell-mediated (cellular), or both. ...
The Body`s Defenses
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... identical antigens which tell a T cell whether a cell it encounters is yours or an invader.  When T cells identify an invader they activate B cells to produce Antibodies for that pathogen.  . Antibodies are chemicals that lock onto a pathogen’s antigens and mark them (like signs) for destruction b ...
Immune system - Cloudfront.net
Immune system - Cloudfront.net

... Phagocytes attack the pathogens and “eat” them ...
Department of Microbiology, Immunology and Tropical Medicine
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nonspecific defense

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2 Antibodies - WordPress.com
2 Antibodies - WordPress.com

... B-cell binds to antigen. B-cell divides by mitosis. Some cells formed are plasma cells – secrete antibodies. Some cells formed are memory cells – remain in blood for a period of time, providing ...
The Immune System Second Edition
The Immune System Second Edition

... to protect itself. Lives inside the cell in this vesicular system. Listeria monocytogenes - escapes from the phagosome to live in the cytoplasm (makes a virulence factor called lysteriolysin). Toxoplasma gondii – generates its own vesicle inside the cells that won’t fuse with the lysosome to protect ...
File - Westside High School Science Portal
File - Westside High School Science Portal

... SC.912.L.14.52 Explain the basic functions of the human immune response, vaccines, and antibiotics. The human immune system has two levels of immunity: specific and nonspecific immunity. Through non-specific immunity, also called innate immunity, the human body protects itself against foreign materi ...
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Our Immune System Fights for Us!

... chemicals called cytokines. These cells and cytokines match up with and destroy bacteria, viruses and other invaders. Millions and millions of immune system cells are organized into sets and subsets. These groups of cells pass information back and forth. ...
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... A. To create pressure to force invading pathogens out of the body B. To bring white blood cells to the site of infection C. To deprive invading pathogens of oxygen needed for them to undergo cellular respiration D. To active T cells to release antibodies 2. Which of the following best describes the ...
Immune system - Sonoma Valley High School
Immune system - Sonoma Valley High School

... • Mouth, nose, eyes: mucus, saliva and tears have enzymes that destroy bacteria entering. • Nose hairs trap bacteria. ...
the immune response - hrsbstaff.ednet.ns.ca
the immune response - hrsbstaff.ednet.ns.ca

... • The third line of defense: The specific immune system. This includes a variety of cells that recognize foreign substances and act to neutralize or destroy them. Lymphocytes are the primary components of this system. ...
Immune_System_2016_Z - Kenston Local Schools
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... First lines of defense saliva antibacterial enzymes skin prevents entry stomach acid low pH kills harmful microbes ...
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Non-specific Immune Response

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... Microbial infections initiate inflammation As bacteria possess an array of pro-inflammatory molecules: e.g. Lipopolysaccharides (LPS) ...
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Immune system



The immune system is a system of many biological structures and processes within an organism that protects against disease. To function properly, an immune system must detect a wide variety of agents, known as pathogens, from viruses to parasitic worms, and distinguish them from the organism's own healthy tissue. In many species, the immune system can be classified into subsystems, such as the innate immune system versus the adaptive immune system, or humoral immunity versus cell-mediated immunity.Pathogens can rapidly evolve and adapt, and thereby avoid detection and neutralization by the immune system; however, multiple defense mechanisms have also evolved to recognize and neutralize pathogens. Even simple unicellular organisms such as bacteria possess a rudimentary immune system, in the form of enzymes that protect against bacteriophage infections. Other basic immune mechanisms evolved in ancient eukaryotes and remain in their modern descendants, such as plants and insects. These mechanisms include phagocytosis, antimicrobial peptides called defensins, and the complement system. Jawed vertebrates, including humans, have even more sophisticated defense mechanisms, including the ability to adapt over time to recognize specific pathogens more efficiently. Adaptive (or acquired) immunity creates immunological memory after an initial response to a specific pathogen, leading to an enhanced response to subsequent encounters with that same pathogen. This process of acquired immunity is the basis of vaccination.Disorders of the immune system can result in autoimmune diseases, inflammatory diseases and cancer.Immunodeficiency occurs when the immune system is less active than normal, resulting in recurring and life-threatening infections. In humans, immunodeficiency can either be the result of a genetic disease such as severe combined immunodeficiency, acquired conditions such as HIV/AIDS, or the use of immunosuppressive medication. In contrast, autoimmunity results from a hyperactive immune system attacking normal tissues as if they were foreign organisms. Common autoimmune diseases include Hashimoto's thyroiditis, rheumatoid arthritis, diabetes mellitus type 1, and systemic lupus erythematosus. Immunology covers the study of all aspects of the immune system.
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