Host Defences Flashcards
1
Q
Disease Definition
A
Result of a host infection with a pathogen
2
Q
Constitutive defences
A
- anatomical defences - skin, mucous membrane
- microbial antagonism
- phagocytosis
- issue bactericides - complement
3
Q
M Cells
A
Specialised epithelial cells
4
Q
Neutropenia
A
depressed PMN levels - prone to infection
5
Q
Classical Pathway
A
complement cascade is triggered by ab recognition in the blood.
6
Q
C3a and C5a function
A
attract and activate macrophages
7
Q
Alternative Pathway
A
When complement cascade is not triggered by the presence of an ab. Occurs when a new bacteria is encountered.
