Across
- 3. Memory T cells can live up to days, weeks or decades
- 7. Type of immunity uses physical barriers (skin)
- 8. Promote inflammation
- 9. Type of T cell that activates B cells
- 10. A symptom of local inflammation
- 12. Bacteria, pollen, and transplanted tissue are examples of _____ antigens
- 14. Immunoglobulin that provides passive immunity to the newborn after birth
- 19. Reacts with an antigen
- 20. Chemical signal secreted by T helper cells
Down
- 1. Type of immunity with cytokines released from cytotoxic T cells
- 2. Cells produce interferon in response to
- 4. Chemical substances released from microorganisms or damaged tissue attract wbcs
- 5. Slower immune response but more specific for the pathogen is the_____ defense
- 6. Secreted by cells infected with viruses, alert neighboring cells and protect them from becoming infected
- 10. Cytotoxic T cells and natural killer cells secrete
- 11. The most abundant type of immunoglobulin is
- 12. Increases temperature which slows the growth of bacteria
- 13. Disease-causing agent
- 15. Substances that stimulate adaptive immunity responses
- 16. A phagocytic cell
- 17. Cells that produce antibodies
- 18. T lymphocytes mature in the thymus in response to thymosins
- 21. Antibodies produced in allergic reactions