Chapter 1

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Across
  1. 2. a process that involves recruitment of phagocytes and leukocytes to destroy the microbes
  2. 4. immunity achieved by transferring antibodies from an immunized individual to an unimmunized person
  3. 5. a study of the cellular and molecular events that occur after an organism encounters microbes and other foreign molecules
  4. 7. immunologic unresponsiveness
  5. 10. cells that mediate the adaptive immune response
  6. 11. a molecular entity that is recognized by the immune system
  7. 13. protection from disease
  8. 15. host immune defense against microbes in the first few hours or days after infection
  9. 16. part of a complex antigen that specifically is recognized by lymphocytes
  10. 17. the theory proposed by Paul Ehrlich
  11. 18. molecules secreted by the humoral immune system
Down
  1. 1. collective and coordinated response to the introduction of foreign substances
  2. 3. host immune defense develops as a response to infection and adapts to infection
  3. 6. a process that enhances phagocytosis by coating the pathogen
  4. 8. cells that mediate the ultimate effect of the immune response
  5. 9. cytokines that regulate cell migration and movement
  6. 12. immunologically inexperienced
  7. 14. the ability of the lymphocyte repertoire to recognize a very large number of antigens