[includes the thymus, spleen, lymphatic system, bone marrow, tonsils, and Peyer's patches, and the migratory cells these organs generate: lymphocytes, granulocytes, and cells of the monocyte- macrophage type. ( CSP )]
UMLS (NCI) C0020962 Relation/PAR: anatomy
Relation/CHD: accessory cell
complement
leukocyte
lymphatic system
Mast Cell