Lymphoid organ
The lymphoid organs represent sites in the body in which lymphocytes are concentrated. They are divided into primary and secondary lymphoid organs .
Primary
Primary lymphoid organs are responsible for the generation of new lymphocytes:
Secondary
Secondary (a.k.a. peripheral) lymphoid organs are responsible for the maturation of lymphocytes:
- lymph nodes
- spleen
- mucosa-associated lymphoid tissue (MALT)
- tonsils, Peyer patches, etc.
