bio: 7a and 7c

7a: detecting pathogens

7c: the second line of defence

includes:

• pathogen
• antigen (self and non self)
• MHC markers (class 1 and class 2)
• extracellular pathogens and intracellular pathogens
• types of pathogens (bacteria, fungi, protozoa, viruses, prions)
• adaptive immunity
• innate immunity
• second line of defence
• cellular and non cellular
• phagocytes (macrophages, neutrophils, dendritic cells)
• process of phagocytosis
• NK cells
• mast cells
• eosinophils
• complement proteins (lysis, chemotaxis, opsonisation)
• interferons
• inflammation