Lecture 5

Question 1

What are the central/primary lymphoid tissues? (2)

Answer 1

• thymus
• bone marrow

Question 2

what are the secondary/peripheral lymphoid tissues?

Answer 2

lymphnodes, spleen, lymph vessels, peyers patch, etc.

Question 3

Where do B Cells mature?

Answer 3

bone marrow

Question 4

Where do T Cells mature?

Answer 4

thymus

Question 5

What are the principals of colonal selection? (4)

Answer 5

1. each lymphocyte has a single, unique, specific receptor
2. binding of ligand to receptor leads to lymphocyte activation
3. differentiated effector cells have the same receptor as their activated aprental cell
4. lymphocytes with receptors for self molecules are absent from the repertoire

Question 6

What is the Peyer’s Patch?

Answer 6

gut mucosal surface specialized for immune function

Question 7

hey, guess what?

(flip the card for a secret…)

Answer 7

you’re doing great! :)
keep up the good work!!