Across
- 4. Connected with tears
- 8. It is a disease prevalent over a whol country or the world
- 9. A form of smell leucocyte(white blood cell)with a single round nucleus
- 10. A blood protein produced in response to and counteracting a specific antigen
- 12. A toxin or other foreign substance which induces an immune response in the body
- 14. A widespread occurrence of an infections disease in a community at a particular time
Down
- 1. The network of vessels through which lymph drains from the tissues
- 2. Plural form of bacterium
- 3. The process of both getting the vaccine and becoming immune to the disease
- 5. An antigenic aubstance prepared from the causative agent of a disease
- 6. The ability of an organism to resist a particular infection
- 7. A type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles
- 8. A bacterium, virus, or other microorganism that can case disease
- 11. An infection agent that typically cosists of a nucleic acid molecule in a protein coat
- 13. A place in the body that contains unicellular organisms with a prototypical cell organi zation