Exam Two: Mucosal Immunity Flashcards
1
Q
What is the Lymphoid System?
A
The tissues involved in the production and circulation of lymphocytes
2
Q
What is the Payer’s Patch in MALT?
A
It is the organized lymphoid tissue in the small intestine.
3
Q
What are the isolated groups of B cells called:
A
Lymphoid Follicles
4
Q
What is the function of M cells in the Peyer’s Patch?
A
They capture bacteria and deliver them and their antigens to dendritic cells and lymphocytes in the Peyer’s Patch
5
Q
What is the function of tight junctions?
A
Located between the epithelial cells, they prevent leakage of fluid and pathogens from the gut lumen into other tissue.
6
Q
Goblet Cell:
A
Where mucus is produced - a glycoprotein that protects the epithelium
7
Q
Name all the Defensive shields in the mucosal system:
A
- Peyer’s Patch and M cells
- IgA
- TH17 and TReg cells
- Tight Junctions and Paneth Cells secretions
