human_reference_atlas cell cell type (from CL) splenic white pulp macrophage splenic tingible body macrophage CL:0000877 Tingible Body Macrophage A splenic white pulp macrophage found in and around the germinal centers of the white pulp of the spleen that participates in phagocytosis of apoptotic B cells from the germinal centers. A marker for a cell of this type is Mertk-positive. tingible body macrophage CT Homo sapiens white pulp of spleen spleen spleen secondary B follicle spleen germinal center spleen pulp