Across
- 3. Type of molecule typically found on healthy, common cells.
- 4. A leukocyte that is first in line to support a macrophage in the innate immune response.
- 6. Term used to describe the tagging of pathogens by antibodies.
- 7. Structure of an antibody protein that can bind to antigens.
- 11. Adaptive cells that prevent the immune system from causing more harm than gone by controlling the scale of the immune response.
- 12. Mechanism that cells like macrophages use to display bacterial protein fragments post-injection.
- 17. Acronym for a cell that produces type 1 interferons.
- 18. Specific structure that Fab sections on B cell receptor look to bind.
- 20. Signals that communicate the event of mass cell death caused by a pathogen.
- 22. An intentional aspect of the innate immune system that surveys for mannose structures not found on healthy cells.
- 24. Classifications of proteins that include the IFN-gamma protein.
- 27. Type of molecule that displays pathogenic protein fragments for helper T cells.
- 28. Cells that produce antibodies.
- 29. Antibody mechanism for gauging the types of antigens present i the blood.
- 30. Feature of a natural killer cell that promotes killing of a cell.
- 32. Structure used in the alternative pathway's mechanism of attacking a bacterium.
- 33. Structures found on pathogens that are detected by pattern recognition receptors.
- 34. A term that describes the variation that results from the rearrangement of gene segments.
- 35. Adaptive cells whose primary function is to secrete chemical signals known as cytokines.
Down
- 1. Classifications of proteins that interfere with viral production.
- 2. System that drains fluid that leaks from the blood vessels and makes it way to the tissues.
- 5. A pouch formed in a cell that ingests materials.
- 8. Receptors found on cell surfaces and inside vesicles that detect common pathogens.
- 9. Cell included in a positive feedback loop mechanism with natural killer cells.
- 10. A 20-protein system that directly kills pathogens and sends the signals necessary to recruit other immune cells.
- 13. Structure of an antibody protein that can bind to cell surfaces.
- 14. Leftover T and B cells that remain circulating in the bloodstream after an encounter with a new pathogen.
- 15. An innate leukocyte capable of causing cells to commit suicide, including virally-infected cells.
- 16. A chemical signal produced by macrophages and helper T cells.
- 19. Characteristic used by immune cells to avoid destroying healthy cells.
- 21. Feature of natural killer cell that discourages killing of a cell.
- 23. A structure found in the walls of a gram negative bacteria that gives away the pathogen's identity.
- 25. A protein used to deliver suicide enzymes, found in NK cells.
- 26. Adaptive cells that can identify and eliminate virally-infected cells.
- 31. A class of leukocyte that is found in the adaptive immune system.