part of part of circulatory system lymphoid system lymphatic part of lymphoid system AAO:0010522 An organ system subdivision that is a network of vessels capable of removing accumulating protein and fluid from the interstitial space and returning it to the vascular space. In some species, this network is connected to the immune system via lymph nodes and lymphocyte-producing organs, with the whole being the lymphoid system. CALOHA:TS-2024 EFO:0000870 EMAPA:18248 FMA:7162 MA:0002961 MESH:D008208 Part of the circulatory system which consists of a series of vessels which collect blood (exclusive of erythrocytes) which seep through capillary walls and return it to the veins.[AAO] UBERON:0006558 VHOG:0001761 consider merging with lymph vasculature in FMA this is part of the cardiovascular system, but here we treat the CV system as a separate component of the circulatory system from the lymphatic system lymphatic system lymphatic tree system lymporeticular lymporeticular system uberon organ system subdivision