Immunology

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Across
  1. 4. Cytokines made by one leukocyte and acting on other leukocytes.
Down
  1. 1. Collects antigens from blood stream
  2. 2. Primary lymphoid organ for T cell development
  3. 3. Type of immunity that shows slow, antigen specific immune response
  4. 4. Type of immunity that shows rapid, non-specific immune response