has part has part has_part characteristic of has modifier abnormal spleen red pulp morphology increased spleen red pulp amount increase in the quantity of the parenchymatous tissue network of the spleen that consists of loose plates or cords (sinuses) infiltrated with red blood cells where most of the blood filtration occurs and degenerate erythrocytes are removed from the circulation MPheno.ontology increased splenic red pulp MP:0008476 abnormal increased amount red pulp of spleen