Across
- 1. Breakdown of the cell by viral, enzymic, or osmotic mechanisms
- 9. Phagocytic cell that consumes foreign pathogens and cancer cells
- 11. The domain of CD4 that interacts directly with MHC II
- 12. Group of antibodies where only one type recognises one epitope
- 14. Inactivates antigens by blocking viral binding sites and coating bacterial toxins
- 15. Cells derived from undifferentiated stem cells in the bone marrow or fetal liver
- 16. A fragment of foreign protein
Down
- 2. Glycoprotein molecules produced by plasma cells
- 3. The domain of CD4 that recruits tyrosine kinase to activate signalling cascade
- 4. Type of specific immune response for defending against extracellular pathogens
- 5. Process by which a cell uses its plasma membrane to engulf a large particle
- 6. Type of immunity composed of specialised lymphocytes for specific responses
- 7. Type of cell capable of responding to a particular antigen on its reintroduction
- 8. Reaction between surface antigens of bacteria and antigen-specific antibodies
- 10. Type of cell that presents antigens on its surface and triggering adaptive immunity
- 13. Group of antibodies that bind to multiple epitopes of an antigen
