Zusammenfassung der Ressource
Defence
- BARRIERS
- -Respiratory tract
- -Gastrointestinal tract
- -Urinogenital tract
- INNATE DEFENCE (non-specific
response)
- Kills pathogen and surrounding cells
- Macrophages, Neutrophils and Natural killer cells
- Antigen presenting cells collect pathogens antigens
and present them on their surface
- Takes antigen to the lymph nodes which activate a more specific
response
- ADAPTIVE DEFENCE (specific response)
- Targeted response
- Lymphocytes (B & T cells)