hoid organs Central lymphoid organs Thymus: the generation place of Tc Bone marrow: the generation place of Bc Peripheral lymphoid organs Contain lymph node, spleen, tonsil The places to proceed immune reactionsLymphoid organs ▪ Central lymphoid organs Thymus: the generation place of Tc Bone marrow: the generation place of Bc ▪ Peripheral lymphoid organs Contain lymph node, spleen, tonsil The places to proceed immune reactions