Across
- 3. A protein that binds to antigens that enter the body
- 4. Three letter acronym for cell that engulfs pathogens and presents antigens in their MHC complex
- 7. Process where someone is inoculated against pathogen with antigens
- 9. A non-harmful substance that the body over-responds to
- 10. A microbe or virus that can cause disease
- 11. Term that describes when immune system first encounters pathogen
- 12. The process by which a cell engulfs another
- 16. The type of immunity that must first be trained for a threat
- 17. The signals that regulate immune and inflammatory response
- 19. The organ in which T-cells undergo positive and negative selection
- 20. Another term for antibody
- 22. Lymphocyte responsible for cell-mediated immunity
Down
- 1. Location where naive lymphocytes are created
- 2. The enzyme associated to induce allergic response
- 4. A foreign substance that enters the immune system
- 5. The type of immunity that is always "on" or present
- 6. Class of T-Cell that kills infected cells with perforin
- 8. Class of T-Cell that activates other T or B cells
- 13. Term that describes when immune system meets a pathogen for a 2+ time
- 14. Lymphocyte responsible for humoral immunity
- 15. Type of disease in which immune system attacks self
- 18. Immunodeficiency characterized by lack of T or B cells
- 21. Three letter acronym for protein that identifies self