part of part of organ part spleen pulp MA:0002487 splenic pulp EMAPA:35805 Malpighian corpuscles NCIT:C33603 pulp of spleen UBERON:1000023 The parenchyma of the spleen, consisting of lymphocytes and macrophages. It lies between the splenic trabecula. Red pulp is the part suffused with blood and white pulp consists of areas of lymphatic tissue where there are sleeves of lymphocytes and macrophages. SCTID:13515001 FMA:15845 parenchyma of spleen