Across
- 2. The process of engulfing and breaking down foreign substances.
- 6. Specific PRRs that recognize characteristic fragments of pathogens.
- 7. A slower, highly specific defense with a memory-based response.
- 10. Receptors on immune cells that bind to common microbial structures.
- 11. An enzyme that destroys bacterial cell walls.
- 12. A molecule that triggers blood vessel dilation and permeability.
- 13. Proteins that can cause the lysis (bursting) of invading cells.
- 15. "First responder" phagocytic cells that circulate in the blood.
Down
- 1. Cells that detect and kill abnormal or infected cells.
- 3. A fast, generalized defense active immediately upon infection.
- 4. Signaling molecules that modulate immune response and blood flow.
- 5. Proteins that interfere with viral replication and activate macrophages.
- 8. Large phagocytic cells found throughout the body.
- 9. Disease-causing agents like bacteria and viruses.
- 14. Unique molecules on pathogens recognized by PRRs.