The Immune System
Across
- 2. Not activated
- 3. Responds first at a site of infection or trauma
- 7. stimulates helper T cells
- 9. A large group of proteins, peptides or glycoproteins that are secreted by specific cells of immune system
- 11. Artificially produced antibodies
- 13. The ability of specific antibodies to block the sites of viruses that they use to enter their target cell
- 15. disease causing organisms
- 17. attenuated virus/bacteria that trigger an immune response and memory cells
Down
- 1. attach to foreign substances and assist in destroying them in the bodys immune system
- 4. Innate immunity excludes most pathogens from entering the body
- 5. any of a class of proteins which have carbohydrates groups attached to the polypeptide chain (e.g. CD4)
- 6. A set of genes that code for cell surface proteins
- 8. site where white blood cells are formed
- 10. a virus or bacteria which induces an immune response
- 12. A type of cell division that results in two daughter cells
- 14. a large Y-shaped protein produced mainly by plasma cells
- 16. antigenic determinants