Across
- 4. - intended to prevent disease.
- 6. - A retrovirus is a single-stranded positive-sense RNA virus with a DNA intermediate and, as an obligate parasite, targets a host cell
- 11. - system that enhances immune performance
- 12. chain reaction - a laboratory technique used to make multiple copies of a segment of DNA.
- 13. - toxic to living cells
- 18. - A fluid or air filled sac
- 19. low level of plasma protein in the blood.
- 23. - an agent that kills microorganisms or inhibits their growth.
- 25. - milk produced by mammals in late pregnancy
- 27. - The concentration of an antibody
- 30. - antibodies formed against self-antigens
Down
- 1. Low antibody levels because of a B cell defect.
- 2. - Surgical procedure to remove the spleen
- 3. - Creates T cells
- 5. - constriction of airways due to muscles tightening
- 7. - the action of copying or reproducing something.
- 8. cells - Cells that are able to become any other cell
- 9. The human child in utero between 8 weeks and birth.
- 10. - It is a characteristic feature of many skin diseases and an unusual sign of some systemic diseases
- 14. - (of a microorganism or an infection caused by it) rarely affecting patients except in unusual circumstances, typically when the immune system is depressed.
- 15. are white blood cells that make it easier for the immune system to fight infections and help other white blood cells remove dead or damaged tissue.
- 16. Impaired function of the brain.
- 17. and inflammation of the skin or mucosa due to vasodilation.
- 20. - drugs that are used to help fight bacterial infections
- 21. - (of a microorganism or an infection caused by it) rarely affecting patients except in unusual circumstances, typically when the immune system is depressed.
- 22. - change or cause to change in form or nature.
- 24. A combination of protein and carbohydrates.
- 26. cells- Located in the tissues, they release chemicals such as histamine, heparin, and bradykinin in response to injury or foreign material.
- 28. phagocytic system - part of the immune system that consists of the phagocytic cells located in reticular connective tissue.
- 29. - drugs used specifically for fighting viruses