Across
- 1. dilation of blood vessels heat, pain swellin are part of this process
- 6. immune system present at birth which is non-specific
- 7. one of the cells which can present antigens to cells of the third line of defence (2 words)
- 10. a single celled prokaryotic organism
- 11. immune system providing specialised protection against pathogens
- 15. the process by which the adaptive immune system gains specificity against pathogens (2 words)
- 17. non-cellular infective agent containing RNA or DNA
- 19. a single celled eukaryotic organism
- 21. programmed cell death
- 23. Any substance that causes the body to make an immune response against that substance
- 25. responsible for humoral immunity
- 26. introducing attenuated pathogenic particles into the body to trigger an immune response
- 27. eukatyotic, hereritrophic organisms with cell walls
- 28. developed a procedure for isolating and identifying disease-causing organisms
- 29. chemicals released by mast cells after tissue damage
- 30. a large phagocytic cell
- 31. the proportion of a population affected by a disaease
Down
- 2. carried out experiments which disproved spontaneous generation
- 3. proteins produced by plasma cells
- 4. a mode of disease transmission (2 words)
- 5. used to treat bacterial infections
- 8. cells changing shape to engulf pathogens
- 9. a disease causing agent
- 12. responsible for cell-mediated immunity
- 13. part of the first line of defence
- 14. a class of antimicrobials used to treat viral infections
- 16. isolation of an infected individual for a period of time
- 18. an epidemic of an infectious disease that has a sudden increase in cases and spreads across a large region, for instance multiple continents
- 19. an abnormally folded protein capable of transmitting the misfolded shape to other proteins
- 20. the frequency of new cases of a disease over a specified period of time
- 22. spleen, thymus gland and nodes are part of this system (2 words)
- 24. a disease spread by the anopheles mosquito