How the immune system fights bacterial infections
Summary
KG explains the multi-stage immune defence as a coordinated interplay of barriers, phagocytes, messenger substances and specialised lymphocytes. Robust defence comes from overlapping layers rather than from a single perfect protective mechanism. Biological security has to remove intruders without excessively damaging its own organism.
Ideas
- Innate defence reacts quickly to features shared by many pathogens.
- Inflammation recruits additional immune cells and changes the affected tissue.
- Adaptive immunity produces highly specific responses as well as long-lived memory cells.
Recommendations
- Use the animation as an overview of the system and specialist sources for medical details.
- Distinguish between the innate response, the adaptive response and immunological memory.
References
Links to the original source and the Web Archive open in a new tab.