Source:http://linkedlifedata.com/resource/umls/id/C0024296
MSH: Specialized tissues that are components of the lymphatic system. They provide fixed locations within the body where a variety of LYMPHOCYTES can form, mature and multiply. The lymphoid tissues are connected by a network of LYMPHATIC VESSELS.,CSP: specialized tissues that are components of the lymphatic system, providing fixed locations within the body where a variety of lymphocytes can form, mature, and multiply.,NCI: Tissue characterized by the presence of large numbers of lymphocytes in different stages of transformation. Connective tissue cells including fibroblasts and macrophages may be present. Lymphoid tissue is framed by a network of reticular fibers and may be diffuse, or densely aggregated.