Across
- 4. - The presence and multiplication of microorganisms without tissue invasion or damage.
- 7. - A toxin released by a living bacterial cell into its surroundings.
- 8. - The invasion and multiplication of pathogenic microorganisms in the body.
- 14. - The ability of a pathogen to invade tissues of the host.
- 16. - The period between exposure to a pathogen and the appearance of symptoms.
- 17. - Any person, animal, plant, or substance in which an infectious agent normally lives and multiplies.
- 18. - A relationship between two organisms where one benefits and the other is unaffected.
- 19. - A person or organism that has contracted an infectious disease but displays no symptoms.
- 20. - An inanimate object that can transmit pathogens.
Down
- 1. - The community of microorganisms living in a particular environment, such as the human body.
- 2. - The ability of a pathogen to attach to the host cells.
- 3. - A toxin present inside a bacterial cell that is released when the cell disintegrates.
- 5. - The presence of bacteria in the bloodstream.
- 6. - Type of pathogen that causes disease primarily in a host with weakened immune defenses.
- 9. - The degree of pathogenicity or the ability of a microorganism to cause disease.
- 10. - A life-threatening condition caused by the body's response to an infection.
- 11. - The organism that harbors a parasite or pathogen.
- 12. - A microorganism that causes disease in its host.
- 13. - An organism, typically an insect, that transmits pathogens between hosts.
- 15. - An organism that lives on or in another organism, causing harm.