Across
- 1. have T cell receptors
- 8. recognize antigen presented via MHC I and express CD8
- 9. have antibody receptors
- 10. recognition of traits specific to particular pathogens vertebrate only
- 11. deliberate inoculation of dried pus from smallpox pustules
- 14. recognize antigen presented via MHC II and also express CD4
- 15. substances that can elicit response from b or T cell
Down
- 2. the key players of adaptive immunity
- 3. recognize antigen presented via MHC II or MHC I
- 4. antibodies defend against infection in body fluids
- 5. is any immunity obtained by inoculation with selected antigens
- 6. defends against infection by directly killing
- 7. record information to fight pathogens
- 12. recognition of traits shared by broad ranges of pathogens
- 13. actively secrete antibodies