3 functions of the lymphoid system
Primary Lymphoid Tissues
Training
Bone Marrow and Thymus (anterior mediastinum)
Lymphocyte production and maturation pre-antigen exposure
Secondary Lymphoid Tissue
Service
Facilitate exposure and response to antigen
Secondary lymphoid organs
Bone Marrow
Lymph Nodes
Spleen
(2°) Accessory lymphoid organs
Appendix
Tonsils and Adenoids
(2°) Mucosa Associated Lymphoid Tissue (MALT)
Peyer’s Patch (GIT, GALT)
BALT (airways)
Urinary Tract