The Immune System

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Across
  1. 3. Cells that express a lot of antibody proteins.
  2. 5. A broken part of antigen that binds to major histocompatibility complex (MHC) molecules
  3. 6. A process that blocks sites of virus' and coats bacterial toxins.
  4. 7. The process of cell division B-Cells undergo when interacting with antigens.
  5. 11. Is activated by Macrophages, and activates Killer T Cells and B Cells.
  6. 13. Memory B-Cells exist in this state until detecting associated antigens.
  7. 14. A protein produced by B-Cells that attach to antigens.
  8. 15. A chemical reaction that starts the cascade of cell signalling.
  9. 17. Attenuated antigens designed to build Memory B-Cells, ready for exposure to similar antigens.
Down
  1. 1. An artificially produced singular epitope to prepare for specific antigens.
  2. 2. Engulf antigens and stimulate Killer T Cells.
  3. 4. Another name for antibodies, meaning globular protein associated with immune system.
  4. 8. B-Cell and T-Cell responses happen at the ____ time.
  5. 9. Determinant's of antigens that variable regions on antibodies bind to.
  6. 10. A type of B-Cell that is cloned many times and remains for a time, ready for interaction with antigens containing the same determinants.
  7. 12. These are B-Cells or T-Cells depending on where they matured.
  8. 16. A defensive cell that circulates in blood and releases histamines.