• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Adverse Effects
Adverse Effects

... Rho (D) is a concentrated solution of human IgG containing higher titer of antibodies against Rho (D) antigen of red cells. In a Rh negative mother Rho(D) Immune Globulin, can take out any fetal RhD-positive erythrocytes which have entered the maternal systemic circulation from fetal circulation bef ...
INMUNOLOGIA MOLECULAR
INMUNOLOGIA MOLECULAR

Immunology for Anaesthetists Part 1 - Basic Immunology
Immunology for Anaesthetists Part 1 - Basic Immunology

Adjuvantsin Veterinary Vaccines:Modes of Action to
Adjuvantsin Veterinary Vaccines:Modes of Action to

Document
Document

... Beginning of adaptive response ...
Immune System
Immune System

...  defense responses that do not distinguish between one threat and another  are present at birth  include: physical barriers (e.g. skin), phagocytic cells (neutrophils, monocytes, macrophages, eosinophils), chemicals (complement system), inflammation, fevers, etc.  provides body with “non-specifi ...
ADAPTIVE IMMUNITY
ADAPTIVE IMMUNITY

... steps of destruction of a pathogen ...
Immune response to biomateials rev 1
Immune response to biomateials rev 1

... Antigen presentation with class II MHC activates Th lymphocytes by promoting binding of the antigen to the T cell receptor. Tc cells and B cells can also bind the antigen depending on how it is presented. Cytokines released by Th cells aid in activation of Tc cells after antigen binding. Co-stimula ...
Document
Document

... 1. Phagocytosis is a component of innate and aquired immunity. It is the principal means of destroying pathogenic bacteria and fungi. Phagocytosis initiates the process of antigen presentation. 2. Many phagocytic receptors recognize a diverse array of microbial pathogens. Some pathogens (e.g., S. pn ...
The Immune Response Immunity
The Immune Response Immunity

... Immune Response: Third line of defense. Involves production of antibodies and generation of specialized lymphocytes against specific antigens. Antigens are the molecules from a pathogen or foreign organism which provoke the specific immune response. ...
How the Viruses Can Evade Host Defense Mechanisms
How the Viruses Can Evade Host Defense Mechanisms

... stimulate the production of cytokines such as TNF-_, IL-1, and IL-6 by macrophages or endothelial cells. These cytokines can activate macrophages. Phagocytosis of bacteria by macrophages and other phagocytic cells is another highly effective line of innate defense. However, some types of bacteria t ...
A1984SW52500002
A1984SW52500002

... These findings were exciting because they provided strong support for an important corollary of the clonal selection hypothesis—that lymphocytes have antibodies on their surfaces that function as receptors for antigen. On the other hand, they raised the question of why most lymphocytes were lg–. Int ...
Why chemokines?
Why chemokines?

16-Immune
16-Immune

...  B cells can bind to free and unprocessed antigens  Antigens are endocytosed, processed and presented on the surface with an MHC protein  Helper T cells recognize this complex and stimulate B cells to proliferate into memory cells and plasma cells, which produce antibodies ...
17 Unit 1 - Cloudfront.net
17 Unit 1 - Cloudfront.net

... Neutrophils & macrophages eat & die ...
Document
Document

... (Enzyme Linked Immunosorbent Assay) PBMC co-cultured in vitro with a suitable stimulus, secrete cytokines. Each cytokine can be capture by a specific antibody linked to an enzyme that reacts with a specific substrate and generates a colored product detectable as assorbance ...
Humoral Immune Response
Humoral Immune Response

... Accounts for less than 1% of Ig pool. Primarily a cell bound Ig found on the surface of B lymphocytes. Despite studies extending for more than 4 decades, a specific role for serum IgD has not been defined while for IgD bound to the membrane of many B lymphocytes, several functions have been proposed ...
Biol260exam2summer2012
Biol260exam2summer2012

... a. a zoonotic disease b. an anthropozoonotic disease c. a sapronotic disease d. an exanthropic life cycle e. a synanthropic life cycle True or False: 1 point each 36. PAMPs are pathogen associated molecular patterns recognized by cells of the adaptive immune system. a. True b. False 37. RIG-like rec ...
Microorganisms, Infection and Immunity
Microorganisms, Infection and Immunity

... 1) The biology of infectious microorganisms 2) How microorganisms infect and interact with their hosts, and how this relates to their biology. 3) How the immune system fights infection and how disease can result when it fails. The goal of this course design is to integrate micro-organism biology, in ...
AJS_Paper3_Autoimmunity
AJS_Paper3_Autoimmunity

... absorb glucose from the bloodstream. People who suffer from T1D must closely monitor their blood-glucose levels and ensure they are taking artificial insulin injections as needed. Unlike most autoimmune diseases, T1D is incredibly easy to diagnose with a simple blood-glucose test. Having unhealthy b ...
Monoclonal%20antibod..
Monoclonal%20antibod..

... According to differences in their heavy chain constant domains, immunoglobulins are grouped into five classes, or isotypes: IgG, IgA, IgM, IgD, and IgE. IgG: IgG1 (66%), IgG2 (23%), IgG3 (7%) and IgG4 (4%) , blood and tissue liquid. IgA:IgA1 (90%) and IgA2 (10%), stomach and intestines ...
Pattern Recognition with an AIS
Pattern Recognition with an AIS

... Affinity function The probability to interact, affinity function, is a simple truncated exponential function with threshold mc, (L/2< mc
A Concise History of Immunology
A Concise History of Immunology

Monoclonal%20antibod..
Monoclonal%20antibod..

... According to differences in their heavy chain constant domains, immunoglobulins are grouped into five classes, or isotypes: IgG, IgA, IgM, IgD, and IgE. IgG: IgG1 (66%), IgG2 (23%), IgG3 (7%) and IgG4 (4%) , blood and tissue liquid. IgA:IgA1 (90%) and IgA2 (10%), stomach and intestines ...
Answers to Mastering Concepts Questions
Answers to Mastering Concepts Questions

... 4. List the types of innate defenses. Innate defenses are always present and ready to function. They include physical barriers such as intact skin, mucus, earwax, and tears; white blood cells; inflammation; antimicrobial biochemicals; and fever. 5. Dead phagocytes are one component of pus. Why is pu ...
< 1 ... 241 242 243 244 245 246 247 248 249 ... 352 >

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.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report