Across
- 2. Drugs that stop bacteria from reproducing and kill them.
- 6. The study of the causes of a disease.
- 9. Objective evidence of disease as oberved by a doctor or anurse.
- 10. Transmission of pathogens from person to person.
- 12. Natural barriers of the body that make up the first line of defence.
- 13. Disease caused by a Protozoa that is endemic in tropical and subtropical areas.
- 15. Disease that lasts a long time.
- 17. Substances that are foreign to the body and that stimulate a specific immune response.
- 19. A disease that spreads rapidly and affects a large number of people at the same time.
- 20. Combination of physical, mental and social well-being.
- 21. Lymphocytes that recognize and destroy antigens
- 22. Type of white blood cells that carry out the specific immune response.
- 23. Pathogens that are not true living beings.
- 24. A disease that affects a very large geographical area or reaches all parts of the world.
Down
- 1. Drugs that prevent growth and destroy the fungi.
- 3. Cells that make up the second line of defence of the body and that left the blood vessels.
- 4. Cells in which monocytes are transformed when they are outside the blood vessels and that ingest and destroy the pathogens.
- 5. Place where the pathogen lives and usually reproduces.
- 7. The person, animal or microorganism that carries and transmits the pathogen.
- 8. A disease that is continually present in a certain region or population.
- 9. Subjective evidence of disease as perceived by the patient.
- 11. Unicellular prokaryotic microorganisms that cause infectious diseases.
- 14. Disease that appears suddenly and does not last long.
- 16. Diseases caused by pathogens.
- 18. Lymphocytes that produce antibodies.
- 20. The organism that is infected.
- 23. Biological preparations made from weak or dead forms of a virus or bacteria that provide immunity to a specific disease.