Across
- 2. A viral disease causing recurrent sores on the skin or mucous membranes.
- 4. A disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms.
- 6. Physical or mental features that indicate a condition or disease.
- 10. A disease caused by uncontrolled cell growth.
- 13. The process of declining in function or structure (e.g., in arthritis).
- 14. A A viral liver infection transmitted through contaminated food or water.
- 15. An examination of tissue removed from a living body to discover the presence, cause, or extent of a disease.
- 16. The process of renewal, restoration, and growth.
- 17. Any substance or agent that promotes the development of cancer.
- 21. Abnormally low blood sugar (glucose) levels.
- 22. The spread of cancer cells from the place where they first started to other parts of the body.
Down
- 1. Sexually transmitted diseases (acronym).
- 2. Abnormally high blood pressure.
- 3. The ability of an organism to withstand a particular disease or toxin.
- 5. A person or animal that harbors a specific infectious agent without visible symptoms.
- 7. Single-celled microorganisms that can cause disease, but many are beneficial.
- 8. A substance used to stimulate the production of antibodies and provide immunity against one or several diseases.
- 9. Painful inflammation and stiffness of the joints.
- 11. Proteins produced by the immune system to help fight off infections.
- 12. A small infectious agent that replicates only inside the living cells of other organisms.
- 18. A substance that causes an allergic reaction.
- 19. A condition present from birth.
- 20. B A serious liver infection caused by a virus often transmitted through blood or bodily fluids.