Across
- 3. a kind of T-cells which coordinate an immune response by activating other lymphocytes to fight antigen or a foreign substance
- 5. a kind of T-cells which directly kill tumor cells, virus-infected cells, and tiny parasites
- 6. happens when the immune system is hyperactive and fails to distinguish harmful foreign objects from cells in the body
- 9. of or relating to a rodent of the family Muridae or subfamily Murinae, including rats and mice
- 11. are regulators of immune response
- 12. is a complex network of organs and tissues that protect the body from invading pathogens
- 15. the process of responding to an antigen
- 18. the filter foreign material from lymph and drain fluids from the tissue
- 19. a biological agent that can cause illness to its host
- 20. is a "mat" of bacteria, diatoms, seaweed, and the substances they secrete
Down
- 1. _______ cells are newly-discovered antigen presenting cells
- 2. is a cell engineered to produce large amounts of desired antibodies
- 4. happens when the ability of the immune system to function is diminished because of malfunctioning
- 7. _______ in the immune system is the process of engulfing a cell or other particles by a macrophage or killer cell to destroy it
- 8. are developed in the bone marrow in a process called hematopoiesis
- 10. a foreign substance that induces the production of antibodies by the body
- 13. involves the adhesion of larger organisms like plats and animals
- 14. they hunt for bacteria and minute parasites, then engulf or degrade them using enzymes
- 16. involves formation of biofilm and accumulation of bacteria
- 17. _______ killer cells kill tumor cells like melanoma and lymphoma