Across
- 3. Only __________ have acquired immunity
- 4. _______ recognition receptors are found on innate immune cells
- 9. A fluid rich in blood cells, dead pathogens, and cell debris from damaged tissues
- 11. Provide innate defense, interfering with viruses and helping activate macrophages
- 12. These cells are involved in allergic and anti helminth response
- 13. The skin has this type of pH which helps to prevent growth of bacteria
- 16. "First responders" of infection, attracted to signals from infected tissues
- 17. The release of histamine is triggered by what type of cells?
Down
- 1. A type of generalized immunity that is immediately active upon infection
- 2. These circulate within the hemolymph of invertebrates and carry out phagocytosis
- 5. Insects rely on this as a physical barrier against infection
- 6. Originating from monocytes, found all throughout the body
- 7. Neutrophils and Eosinophils are examples of this
- 8. An enzyme found in tears that is hostile to many microbes
- 9. Organisms with potential to cause disease
- 10. These types of cells have long "arms" that capture and present antigens to the immune system
- 14. Chronic inflammation is believed to be a potential link to this
- 15. The __________ system consists of about 30 proteins that are activated by substances on microbe surfaces
