Recognition

Specificity

Response

Primary lymphoid organs

Secondary lymphoid organs

All blood cells and platelets develop in the

Lymphocyte development is sometimes
referred to as

B cell development is completed within

T cells migrate to the thymus to complete
their development, thus they are

B cell development is marked by

T cell development is marked by

Thymic activity is greatest in

B cells are generated

Lymph nodes – respond to

Spleen – respond to

Mucosal associated lymphoid tissue –
respond to