part of part of adjacent to organ part red pulp of spleen marginal zone of spleen NCIT:C49767 EMAPA:36650 marginal zone CALOHA:TS-2395 The zone between the red and white pulp of the spleen containing numerous macrophages and lymphocytes, and a rich plexus of sinusoids supplied by white pulp arterioles carrying blood-borne antigens. UBERON:0001251 junctional zone of spleen MA:0000755 FMA:15852 spleen marginal zone Wikipedia:Marginal_zone white pulp of spleen spleen