Across
- 2. plasma cells
- 4. programmed cell death
- 6. the amount of antibody in a serum
- 9. coating of microbe with complement proteins
- 13. found on surface of B cells
- 14. immunoglobulin
- 15. lysis of parasitic worms
Down
- 1. cyotkines
- 3. activated by antibody-antigen complex
- 5. first antibody produced in response to initial infection
- 7. virus
- 8. located in secretions
- 10. most abundant antibody in blood serum
- 11. family
- 12. the phase of fever that indicates body temperature decreasing