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41 Cards in this Set

  • Front
  • Back

Function

Protects the animal from anything that could cause damage or disease

Antigen

Substance that triggers an immune response in the body

Innate Immunity

Part of the immune system that responds the same to all antigens

Mechanical barrier of the skin?

Epithelium

First line of defense in the immune system?

Skin

Chemical barrier of the skin?

pH of sweat

Chemical barrier in stomach?

Stomach acid

Inflammation Response

Localized reaction in response to trauma, injection, chemical exposure, and excessive temperatures

Types of phagocytic cells?

Neutrophils and monocytes

Inflammation Symptoms

Redness


Swelling


Heat


Pain

Natural Killer Cells

Kill any diseased cell

Apoptosis

Cell self destruction

Interferon

Protein produced by a cell after it has been infected by a virus

Interferon Function

Blocks viral reproduction in other cells

Interleukins

Chemical mediators that help control T Cell growth and activation

Chemokines and Cytokines

Chemical messengers between cells

Complements

Group of inactive proteins that trigger inflammation when activated

Complements Function

Alter cell membrane causing it to die

Adaptive Immunity

Immune response to a specific antigen

Cell Mediated Immunity

Immune response where T cells respond to antigen

Memory Cells

Produced after T Cells have mounted a response to antigens

Cytotoxic T Cells

Attach to antigen and destroy them

Helper T Cell

Secrete cytokines, like interleukins that assist in immune response

Regulatory T Cells

Inhibit helper and cytotoxic T cells from overdoing their job

IgM Antibody

Acute infection

IgG Antibody

Chronic infection

IgA Antibody

Protecting tissue

IgE Antibody

Binds to allergens and parasites and triggers histamine release

IgD Antibody

Activates basophils

Antibody Function

Render any antigen toxin unable to kill cells

Passive Immunity

Preformed antibodies that the animal's body had no part in making

Passive Immunity Gained By

Shared transplacentally and by milk


Immunotherapy

Immunotherapy

Intravenous medication of plasma from animal with antibodies

Active Immunity

Direct exposure to an antigen with response from immune system

Active Immunity Gained By

Vaccines and disease exposure

Hypersensitivity Reactions

Overreaction of immune system

H.R. Type 1

Allergic reaction

H.R. Type 2

Destroying bodies own cells

H. R. Type 3

Antibodies and antigens bind and form immune complex causing infection

H.R. Type 4

Antigens trigger helper T cells; which activate cytokines, macrophages and cytotoxic T cells. Causes tissue damage.

Part of specific immunity?

Antibodies