spleen cell count mononuclear cell count spleen mononuclear cell count 2014-01-27T15:51:22Z CMO:0002120 Determination of the number of mononuclear cells, i.e. leukocytes such as lymphocytes and monocytes with a single round or oval nucleus found in a specified sample of spleen, the highly vascular lymphoid organ which serves to store blood, disintegrate old blood cells, filter foreign substances from the blood, and produce lymphocytes. JSmith clinical_measurement_ontology spleen mononuclear cell number splenic mononuclear cell count splenocyte count