Immunology

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Across
  1. 1. small raised skin rash
  2. 4. superficial reddening of the skin
  3. 5. decrease sensitivity
  4. 7. flat discolored area of skin
  5. 9. immune system attacks its own cells
  6. 12. released by cells in response to allergic reaction
  7. 13. the ingestion of bacteria or other material
  8. 15. immediate life-threatening reaction
  9. 16. proteins that protect from an unwanted substance
  10. 17. abnormal antigen-antibody response
  11. 18. molecule capable of eliciting an immune response
Down
  1. 2. small blister containing pus
  2. 3. skin reaction causing itchy welts
  3. 6. small sac filled with fluid
  4. 8. promotes inflammation
  5. 10. being resistant to an infectious disease
  6. 11. severe itching
  7. 14. substance that causes an allergic reaction
  8. 17. foreign substance