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ch9
| Question | Answer |
|---|---|
| immunology | study of the body's immune system |
| drainage system | returns excess lymph fluid to blood |
| -megaly | enlargement |
| thymus | aids in immunity through the modification/storage of white blood cells; most active in younger animals |
| lymph nodes | bean-shaped glands located throughout the body |
| passive immunity | the transfer of antibodies from a donor |
| active immunity | acquired after exposure to antigens (vaccines, illness) |
| acquired immunity | formation of antibodies after exposure to an antigen |
| antibody | proteins produced by white blood cells |
| antigen | foreign substance (protein) that stimulates the production of antibodies |
| vaccination | administration of a suspension containing weakened microorganisms to induce immunity |
| allergen | substance that causes a specific hypersensitivity |
| allergy | abnormal hypersensitivity to an antigen |
| anaphylaxis | exaggerated hypersensitivity to a foreign substance |
| autoimmune disease | disease in which the body makes antibodies instead its own cells/tissues |
| carrier | an animal that has a disease without displaying signs of infection |
| febrile | having a fever |
| retrovirus | RNA virus that multiplies by using the host's DNA |
| sepsis | life-threatening infection that has spread to the bloodstream |
| toxin | poison |
| zoonotic/zoonoses | disease capable of being transmitted from animals to humans |