Immune System Vocabulary

4. kill viral infected cells nonspecifically
7. when WBCs squeeze through capillary wall to get to the site of infection
11. protein that punches holes in viral infected cells
12. Specific defense that uses T cells
13. Dead or weakened organism that induces immunity w/out causing disease
15. T cell that kills antibody/antigen bound cells
16. Usually displays self molecule, found on all nucleated cells
21. when a molecule is coated with proteins to make phagocytosis easier
23. Inflammatory response that slows the growth of pathogen by denaturing its proteins
26. Also called a Helper T Cell
28. link MHC II molecules to TCR on T helper cells causing cytokines to be released indefinitely
29. Specific defense that uses antibodies
31. Tissue cells that consume foreign, dead, damaged materials
33. Protein that binds to antigen

1. The process of antigen finding the right B and T cell is called __________
2. Any foreign material that causes an immune response
3. lymph tissue in the intestines
5. T cell stimulates the production of cytokines and interacts directly with antigens
6. Invasion of microorganisms by pathogen
8. cells that produce antibodies
9. Cascade of proteins in innate immune system that helps eliminate a pathogen
10. Immune cell found in tissues but not blood
14. cells that engulf and present pieces of other molecules on their surface
16. like macrophages, but in the blood
17. proteins that help activate B and T cells
18. Cells that engulf and destroy invading microbes
19. when WBCs attach to the capillary wall as a result of cytokine signaling
20. Short lived B cells that churn out free antibody
22. phagocytes that consume and then die, contribute to pus
24. Disease causing agent
25. Cells that develop in thymus and recognize antigen/ antibody bound cells
27. Swelling and redness; response to tissue damage
30. Usually displays self molecule, only found on macrophages, dendritic cells, and B cells
32. Also called a Cytotoxic T Cell (Lymphocyte)