Chapter 20

3. Inflammatory disease of the liver that can be caused by viruses or toxins.
5. mutans Oral bacterium strongly associated with tooth decay and plaque formation.
9. Antimicrobial enzyme found in saliva that helps protect the GI tract from infection.
10. Loss of minerals from tooth enamel due to acid produced by bacteria.
11. Community of microorganisms living in the gastrointestinal tract that help digestion and immunity.
13. Yellow discoloration of the skin and eyes caused by bilirubin buildup.
14. A gram-negative bacterium commonly spread through contaminated poultry and eggs causing diarrhea and fever.
15. Flagellated protozoan that causes long-lasting greasy diarrhea and flatulence.

1. Wave-like muscular contractions that move food and microbes through the digestive tract.
2. Severe diarrheal disease caused by Vibrio cholerae leading to massive water loss.
4. Increase in eosinophils often associated with parasitic worm infections.
6. Spiral-shaped gram-negative bacterium often spread through undercooked chicken.
7. Gut-associated lymphoid tissue that provides immune defense in the gastrointestinal tract.
8. difficile Spore-forming bacterium that can cause severe colitis after antibiotic use.
12. Harmful component found in the outer membrane of gram-negative bacteria like Salmonella.