Lymphatic/Immune System

2. - a large leukocyte that surrounds and kills an invading cell
5. - chickenpox; caused by the herpes virus
7. disorder - group of diseases in which the immune system produces antibodies against its own tissues and cells
9. zoster – shingles; painful skin infection caused by a virus
13. - a disease-fighting protein
15. - substance that prevents/reduces the body’s normal immune response
16. - disease treatment that stimulates or suppresses the immune system
19. – use of chemicals and drugs that destroy malignant cells and tissues
21. - a severe response to an allergen
22. - becoming progressively worse and life-threatening (cancerous)

1. – a doctor who specializes in tumors and cancer
3. - not life-threatening (not cancerous)
4. – bacteria that form a chain
6. – swelling of the tissues due to an abnormal accumulation of lymph fluid
8. – abnormal enlargement of the spleen
10. - a group of about 30 species of bacteria that look like a cluster of grapes
11. - any substance that the body regards as foreign
12. – destroy worn-out erythrocytes
14. – study of the prevention, causes, and treatment of tumors and cancer
17. - the process by which cancer is spread to a new site
18. - the use of radiation to kill or shrink cancer cells or tumors
20. - a malignant tumor that occurs in the epithelial tissue