What Are the Primary Lymphoid Organs?
The primary, or central, lymphoid organs are the thymus and bone marrow, according to microbiologybytes.com. They are part of a broader lymphatic system made up of lymph nodes, tonsils, the spleen, and Peyer’s patches in the intestinal wall. The function of the primary lymphoid organs is for production and maturation of the white blood cells in order to defend the body from disease.
