where are lymphocytes produced and stored
Two types of lymphocyte are produced in the bone marrow before birth. B lymphocytes, also called B cells, stay within the bone marrow until they are mature. Once mature, they spread throughout the body and concentrate in the spleen and lymph nodes.wo types of lymphocyte are produced in the bone marrow before birth. A large number of lymphocytes can be found in the lymph nodes. Tuberculosis may cause a low lymphocyte count. Lymphocytes are found in the blood, and help defend the body against infection.