Exam Review #2

4. projections on the nerve cells
7. Immunological state where the body doesn't attack its own cells
8. Key player in immune response
10. Cells that display antigens to activate T cells
13. help for b cells or killer t cells
14. Lymphocytes responsible for humoral immunity
15. Cells that engulf and digest pathogens
16. Long-lived cells responsible for rapid antibody production upon reinfection
18. cell committing suicide
20. T cells that suppress immune responses
22. a protein that B7 plugs into and is on the surface of a T cell

1. White blood cells that combat parasitic infections
2. Immune response against self-antigens
3. Process that eliminates self-reactive T cells
5. Receptors that recognize specific patterns on pathogens
6. Process that favors T cells that recognize self-MHC
9. Body's protective response to injury or infection
11. a receptor on activated T cells that interferes with the reactivation of the cells
12. Fluid carrying immune cells throughout the body
14. a protein involved in the costimulation
17. Naive T cell that has not yet encountered an antigen
19. Type of white blood cell crucial for adaptive immunity
21. special vesicles in the cytoplasm