5.1 Defence mechanisms Flashcards
1
Q
cells of the immune system
A
lymphocyte
phagocyte
2
Q
what are phagocytes?
A
white blood cells that are non-specific
phagocytosis is the same for all pathogens
3
Q
what are lymphocytes?
A
white blood cells that are specific
4
Q
what types of lymphocytes are there?
A
T lymphocyte
B lymphocyte
5
Q
types of t lymphocytes
A
th cell
tc cell (cytotoxic)
6
Q
type of b lymphocytes
A
plasma cells
memory cells
7
Q
where are lymphocytes produced?
A
bone marrow
8
Q
where do t lymphocytes mature?
A
thymus gland
9
Q
where do b lymphocytes mature?
A
bone marrow
10
Q
what type of immunity do t lymphocytes produce?
A
cell-mediated immunity
11
Q
what type of immunity do b lymphocytes produce?
A
humoral immunity
12
Q
cell mediated immunity
A
- involves body cells infected by non-self material
- cells from other individuals of same species
- abnormal cells of our body
13
Q
humoral immunity
A
- involves antibodies released into plasma
