Across
- 5. Proteins in the blood that are produced in response to antigens; these proteins react with, and disable antigens.
- 6. The type of immunity that is from a gradual build-up of resistance to a specific pathogen over time.
- 10. Type of white blood cell that engulfs damaged cells or pathogens that have entered the body's tissues.
- 12. Macrophages, neutrophils, monocytes, and eosinophils; white blood cells that destroy pathogens by engulfing them.
- 13. A disease that is constantly present in a population.
- 15. A lymphocyte produced in bone marrow and processed in the thymus; plays a role in immunity; we discussed 3 types in class.
- 16. A collection of dead macrophages and body fluids that form in infected tissues.
- 17. A substance that will kill or inhibit growth and reproduction of other organisms.
- 19. Disease producing agents.
Down
- 1. Occurs when many people in a given area are infected with the same disease at the same time.
- 2. A substance that contains weakened, dead, or incomplete pathogens; used to stimulate an immune response.
- 3. Lymph ______ are small masses of tissue that contain lymphocytes and filter pathogens from the lymph.
- 4. Tissue fluids composed of water and dissolved substances from the blood.
- 7. Any disease that is caused by pathogens in the body.
- 8. Type of white blood cell that is stored in lymph nodes; defense mechanism against pathogens.
- 9. The type of immunity that is the body's earliest lines of defense against pathogens; includes skin and body secretions.
- 11. A lymphocyte that becomes a plasma cell and releases antibodies.
- 14. Host cell specific proteins that protect cells from viruses.
- 18. Groups of cells that work together to perform a specific function.