Block 4 L 3 immune system Flashcards
1
Q
use of bacteria in humans?
A
Important role in fermentation, digestion and absorption of nutrients
2
Q
how does the innate immune system recognize pathogens?
A
Recognises foreign pathogens via germ-line encoded receptors
3
Q
major immunological tissues?
A
lymph nodes, liver, spleen, thymus, preyers patch
4
Q
where are macrophages found?
A
Macrophages are found in all peripheral tissues.
5
Q
what do macrophages do?
A
phagocytose and Macrophages attract neutrophils through the secretion of factors, and release cytokines and chemokines which induces inflammation
6
Q
name the phagocytes?
A
Neutrophils, eosinophil, basophils and monocytes
are phagocytes
7
Q
most abundant white cell?
A
neutraphils
8
Q
role of dendric cells?
A
dendric cells present antigens using MHC molecules
