has part has part has_part characteristic of has modifier abnormal spleen red pulp morphology decreased spleen red pulp amount decreased splenic red pulp reduction 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 MP:0008477 MPheno.ontology reduced spleen red pulp amount abnormal decreased amount red pulp of spleen