Across
- 3. infection has a long duration
- 5. minimum lethal dose
- 6. short and sever course of infection
- 9. secreted by living organisms
- 10. the gree of pathogenicity exhibited by microorganisms
- 13. bacteria engulfed and destroyed by phagocytic body cells
- 16. cytoplasmic granules
- 20. accumulation of sebum,hair and bacteria
- 21. infection showing no detectable symptoms
- 22. a toxin consists of two regions A&B
- 24. infection occurs after primary infection
- 25. a part of small intestine
- 26. germfree animals
- 27. a toxin consists one A & five B subunits
- 28. infection restricted to limited area of the body
Down
- 1. a cytotoxin cause lysis of erythrocytes
- 2. an iron binding compound formed by microorganisms
- 4. whole blood is leaked by blood capillaries
- 7. infection affects all body parts
- 8. benefit from the association with the host but the host remains unaffected
- 11. ability to cause a change in body temperature
- 12. only antigenic properties are retained by toxins
- 14. inhibitory enzyme present in tears and nasal mucus
- 15. much larger MLD
- 17. a cytotoxin kills leukocytes
- 18. enteric cytopathic human virus
- 19. disease producing
- 23. an antimicrobial substance produced by E coli