W4D1 Histology Flashcards
(4 cards)
1
Q
Where are lymphocytes formed?
A
in primary lymphoid organs (bone marrow and thymus)
2
Q
Where are naive mature lymphocytes activated? (aka where do they encounter antigen)
A
in secondary lymphoid organs, which includes:
lymph nodes
spleen
mucosa associated lymphoid tissues (tonsils, peyer’s patches, MALT, etc)
3
Q
Where do B cells develop? Where do T cells develop?
A
B cells develop in bone marrow
T cells continue/complete their development in the thymus
4
Q
2 primary purposes of the thymus
A
compartment for maturation and selection of T cells
induction of central tolerance
