L12_Immune response in space and time Flashcards
1
Q
What is lymphocyte homing?
A
Extravasation of HEV and entering the lymph node.
2
Q
How many T cells can one DC scan per day?
A
120,000
3
Q
How long is the T-DC interaction?
A
1-24h, including transient ineraction
4
Q
How long is the T cell clustering process?
A
1-3h
5
Q
How long is the T cell swarming process?
A
16-24h
6
Q
How long is the T cell proliferation process?
A
> 24h (5-6 days)
7
Q
What is the doubling time of T cell during the clonal expansion process?
A
8-11h
8
Q
Where is FRC (Fibroblastic Reticular Cells) located in the lymph node?
A
Paracortex
9
Q
Where is FDC(Follicular Dendritic Cells) located in the lymph node?
A
Follicles
10
Q
Which one is more stable, FRC or FDC?
A
FRC
11
Q
Where does plasma cell locate in the lymph node?
A
Germinal center
12
Q
A
