The Immune System

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Across
  1. 2. Type of B cell stimulated by activated T cells
  2. 7. Class of proteins produced by macrophages that bind to antigens
  3. 8. Site where T cells mature
  4. 12. Type of cell that kills tumour and virus-infected cells (7,6)
  5. 14. Type of specific immune response that produces antibodies
  6. 15. Period of time between first exposure and primary immune response (3,4)
  7. 16. A type of inactivation of antigens caused by saturation of binding sites with antibodies
Down
  1. 1. Antibodies that bind to multiple epitopes
  2. 3. Type of exposure that stimulates memory cells
  3. 4. Type of T cell that stimulates Cytotoxic T cells
  4. 5. Process used by B cells to proliferate
  5. 6. Synonym for antibody
  6. 9. Antigenic determinants
  7. 10. Cells that secrete antibodies
  8. 11. Group of enzymes produced by cytotoxic T cells that trigger programmed cell death
  9. 13. Name of specific immune response in animals